messages listlengths 2 36 | metadata unknown |
|---|---|
[
{
"role": "user",
"content": "Find a number with $3$ digits, knowing that the sum of its digits is $9$, their product is $24$ and also the number read from right to left is $\\frac{27}{38}$ of the original."
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. I need to find a three-d... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 49,
"domains": [
"math"
]
} |
[
{
"role": "user",
"content": "You are a medical device manufacturer tasked with designing a new product that would replace traditional surgical suture material (sutures). Your goal is to design a product that would minimize risks associated with infections and increase patient recovery time. Many patients, ... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 46,
"domains": [
"research",
"code"
]
} |
[
{
"role": "user",
"content": "Find all prime positive integers $p, q$ such that $2 p^{3}-q^{2}=2(p+q)^{2}$."
},
{
"role": "assistant",
"content": "<think>\nOkay, so I need to find all prime numbers p and q such that the equation 2p³ - q² = 2(p + q)² holds true. Alright, let me start by writing d... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 53,
"domains": [
"math"
]
} |
[
{
"role": "user",
"content": "I've been invited to join the startup team of a cutting-edge tech firm. They're developing new products and services in a field that I'm passionate about. The team is small and dynamic, and I'll have the chance to make a real impact from the very beginning. However, I'm unsure ... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 36,
"domains": [
"science",
"research"
]
} |
[
{
"role": "user",
"content": "This conversation will be based on a hypothetical scenario involving nuclear war. Please keep your responses as realistic as possible.\n\nDue to a series of unfortunate events, the Cold War has re-emerged in the present day. A minor conflict, sparked by a misunderstanding of mi... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 40,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "In the sequence $1,3,2, \\ldots$ each term after the first two is equal to the preceding term subtracted from the term that precedes it, that is: if $n>2$ then $a_{n}=a_{n-1}-a_{n-2}$. What is the sum of the first 100 terms of this sequence?"
},
{
"role": "assistant",
... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 60,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "It was a sunny Wednesday afternoon in Dubois, Wyoming. As she poured coffee, Stanton\nthought about how her morning had gone. There was a meeting at 7 am to discuss a case\nbefore the county commissioners, but as she finished her morning task of feeding her\nhorses, she had to ... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 43,
"domains": [
"research"
]
} |
[
{
"role": "user",
"content": "Consider a phosphoramidite coupling reaction used in solid‑phase oligonucleotide synthesis. The phosphoramidite (P) is activated by a tetrazole derivative (T) to give an activated phosphor‑tetrazolyl intermediate (P–T⁺). During activation a di‑isopropylamine (DIPA) is liberated... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "DeepSeek-V3.2",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 42,
"domains": [
"research"
]
} |
[
{
"role": "user",
"content": "Consider a symmetric diblock copolymer melt described on mesoscopic scales by the coupled Cahn–Hilliard–Navier–Stokes system. Let ϕ(𝐱,t) denote the local monomer composition (ϕ = +1 in A‑rich domains, ϕ = −1 in B‑rich domains) and **v**(𝐱,t) the incompressible velocity field ... | {
"topic": "Physics",
"subtopic": "Condensed Matter Physics",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 50,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "I'd love some suggestions to lower my cholesterol levels naturally. \nNatural methods often stress the importance of a balanced diet, but what specific foods can help to lower cholesterol?"
},
{
"role": "assistant",
"content": "Lowering cholesterol levels naturally ... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 27,
"domains": [
"research"
]
} |
[
{
"role": "user",
"content": "A persubstituted cis‑9,10‑dihydronaphthalene (structure A) bears two electron‑withdrawing ester groups at the bridgehead positions. X‑ray analysis shows that the central C9–C10 bond is significantly twisted, causing the ester carbonyl planes to be inclined by ~60° relative to t... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "DeepSeek-V3.2",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 44,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "For $n$ a positive integer, let $f(n)$ be the quotient obtained when the sum of all positive divisors of $n$ is divided by $n.$ For example, \\[f(14)=(1+2+7+14)\\div 14=\\frac{12}{7}\\]\nWhat is $f(768)-f(384)?$\n$\\textbf{(A)}\\ \\frac{1}{768} \\qquad\\textbf{(B)}\\ \\frac{1}{... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 57,
"domains": [
"math",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "Consider a binary polymer blend undergoing spinodal decomposition that is modeled by the conserved‑order‑parameter Cahn–Hilliard–Cook equation. After an initial amplification of composition fluctuations, the system enters an intermediate regime in which the minority component f... | {
"topic": "Physics",
"subtopic": "Condensed Matter Physics",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 49,
"domains": [
"research",
"science",
"ai"
]
} |
[
{
"role": "user",
"content": "Given four points in space that are not coplanar, how many planes are there from which all four points are equidistant?"
},
{
"role": "assistant",
"content": "<think>\nWe need to find the number of planes in 3-dimensional space such that each plane is equidistant fr... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 45,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "One, (20 points) If the inequality about $x$\n$$\na x^{2}-4|x+1|+2 a<0\n$$\n\nhas no real solutions, find the range of values for $a$."
},
{
"role": "assistant",
"content": "<think>\nOkay, so I need to find the range of values for a such that the inequality a x² - 4... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 65,
"domains": [
"math",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "Many would argue differently with the careful argument that uk residents can't claim compensation immediately but would on the payout, hire their own expert, citing Goya v Gilpin [1977] QB 479. This is particularly relevant for vehicle other than cars. It's not simply nothing t... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 36,
"domains": [
"research"
]
} |
[
{
"role": "user",
"content": "Prove that for any point \\( O \\), lying on the side \\( AB \\) of triangle \\( ABC \\) and not coinciding with its vertices, the following inequality holds:\n\n\\[ \nOC \\cdot AB < OA \\cdot BC + OB \\cdot AC \n\\]"
},
{
"role": "assistant",
"content": "<think>\nG... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 35,
"domains": [
"math"
]
} |
[
{
"role": "user",
"content": "A p‑tert‑butyl‑substituted calix[4]arene bears two allyl ether substituents on the phenolic oxygens in a 1,3‑pattern, while the remaining two phenolic positions are free OH groups. The compound crystallizes in the monoclinic space group **P2₁/c** with the following unit‑cell pa... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 36,
"domains": [
"science"
]
} |
[
{
"role": "user",
"content": "[QUESTION]What is the source of the allusion in the sentence below?\nTanner said he would put in a good word for Ellie with their boss, but she knew he had a reputation as a Benedict Arnold.\n[OPTIONS](A) a poem (B) U.S. history"
},
{
"role": "assistant",
"content":... | {
"category": "science_reasoning",
"data_source": "scienceqa",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 23,
"domains": [
"science"
]
} |
[
{
"role": "user",
"content": "2. In the Cartesian coordinate system $x O y$, points $A$ and $B$ lie on the parabola $y^{2}=4 x$, satisfying $\\overrightarrow{O A} \\cdot \\overrightarrow{O B}=-4$, $F$ is the focus of the parabola. Then $S_{\\triangle O F A} \\cdot S_{\\triangle O F B}=$ $\\qquad$ ."
},
... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 49,
"domains": [
"math"
]
} |
[
{
"role": "user",
"content": "Two balloons at the same temperature of equal volume and porosity are each filled to a pressure of 4 atmos-pheres, one with 16 kg of oxygen, the other with 1 kg of hydrogen. The oxygen balloon leaks to a pressure of 1/2 atmosphere (atm) in 1 hour. How long will it take for the ... | {
"category": "science_reasoning",
"data_source": "science_sft",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 28,
"domains": [
"science",
"research"
]
} |
[
{
"role": "user",
"content": "You are tasked with creating a Java program that processes date and time information using the `java.time` package. Your program should read a string representing a date and time in ISO 8601 format with an offset, convert it to a different time zone, and then output the date an... | {
"category": "code_algorithm",
"data_source": "codefeedback",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 30,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "Can you write a Python script that will check if pip (Python's package installer) is installed in the system, and if not, install it? Afterwards, the script should use pip to install Flask web framework. Include error handling features to catch any issues during installation an... | {
"category": "code_algorithm",
"data_source": "codefeedback",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 53,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "A planar organic radical of formula C₄H₅N contains a central carbon bearing a cyano group and two methyl substituents. Two isotopologues are studied: the fully protonated species (CH₃)₂CCN and the fully deuterated methyl analogue (CD₃)₂CCN. The observed rotational constants (in... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 51,
"domains": [
"research",
"science"
]
} |
[
{
"role": "user",
"content": "For each prime $p$, let $\\mathbb S_p = \\{1, 2, \\dots, p-1\\}$. Find all primes $p$ for which there exists a function $f\\colon \\mathbb S_p \\to \\mathbb S_p$ such that\n\\[ n \\cdot f(n) \\cdot f(f(n)) - 1 \\; \\text{is a multiple of} \\; p \\]\nfor all $n \\in \\mathbb S_p... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 73,
"domains": [
"code",
"math",
"research"
]
} |
[
{
"role": "user",
"content": "I've been home-schooling my 8-year-old daughter for the past year, and she's been responding really well to it. However, I've been noticing that she's been struggling to understand certain concepts in math, specifically fractions and equivalent ratios. I'm not sure what I'm doi... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 38,
"domains": [
"research"
]
} |
[
{
"role": "user",
"content": "A molecular crystal of composition C₁₄H₁₂N₂·½H₂O (Mᵣ = 217.27 g mol⁻¹) crystallizes in the tetragonal space group I4₁/a with unit‑cell parameters a = 14.258 Å, c = 22.286 Å, and Z = 16 molecules per unit cell. The experimentally determined crystal density is 1.274 g cm⁻³.\n\nIn... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 40,
"domains": [
"science",
"research"
]
} |
[
{
"role": "user",
"content": "import pandas as pd\nfrom sklearn.decomposition import PCA\nfrom sklearn.preprocessing import StandardScaler\n\n# Load the dataset\ndf = pd.read_csv(\"yourfile.csv\")\n\n# Split the dataset into features and target\nX = df.drop(['target'], axis=1)\ny = df['target']\n\n# Standar... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 49,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "What is the smallest positive number that can be the leading coefficient of a quadratic polynomial \\( P(x) \\) which takes integer values for all integer \\( x \\)?"
},
{
"role": "assistant",
"content": "<think>\nLet \\( P(x) = a x^2 + b x + c \\) be a quadratic po... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 39,
"domains": [
"math"
]
} |
[
{
"role": "user",
"content": "2. (10 points) Divide the natural numbers from 1 to 8 into two groups, such that the difference between the sums of the numbers in each group is 16. There are $\\qquad$ different ways to do this."
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. I nee... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 59,
"domains": [
"math",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "[QUESTION]Would you find the word down on a dictionary page with the following guide words?\ndandy - dirty\n[OPTIONS](A) no (B) yes"
},
{
"role": "assistant",
"content": "<think>\nPut the words in alphabetical order.\nSince down is not between the guide words dandy ... | {
"category": "science_reasoning",
"data_source": "scienceqa",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 16,
"domains": [
"science"
]
} |
[
{
"role": "user",
"content": "You are given a list of integers representing the Fibonacci sequence up to a certain term. Write a function that takes in two integers, n and m, and returns the sum of all Fibonacci numbers up to the n-th term that are divisible by m and their indices are prime numbers. Your fu... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 52,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "Adéla wrote two positive integers on the board and gave Lukáš and Petr the task of determining the positive difference of the squares of these two numbers. Instead, Lukáš determined the square of the difference of the given two numbers. His result was 4038 less than Petr's, who... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 62,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Consider a solid‑state topochemical polymerization of a diacetylene monomer that occurs only when the monomers are held in a perfectly ordered crystalline lattice. The polymerization proceeds by a single reaction front that advances from one crystal facet to the opposite facet,... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 38,
"domains": [
"math",
"code"
]
} |
[
{
"role": "user",
"content": "Create a scenario for Rifts, the role-playing game. The following elements must be included:\n\n1. The CS's new peacekeeper armor \n2. A fight against a group of bandits\n3. The information that the bandits are working for someone, probably a warlord\n4. The content should be s... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 45,
"domains": [
"ai"
]
} |
[
{
"role": "user",
"content": "A monoclinic organic crystal (space group C2/c) was measured at 150 K with Mo Kα radiation (λ = 0.71073 Å). A total of 2 400 independent reflections (I > 2σ(I)) were collected. Two competing structural models were refined against the observed squared structure‑factor amplitudes... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 47,
"domains": [
"math"
]
} |
[
{
"role": "user",
"content": "[QUESTION]Think about the magnetic force between the magnets in each pair. Which of the following statements is true?\n[OPTIONS](A) The magnitude of the magnetic force is the same in both pairs. (B) The magnitude of the magnetic force is smaller in Pair 2. (C) The magnitude of ... | {
"category": "science_reasoning",
"data_source": "scienceqa",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 23,
"domains": [
"science"
]
} |
[
{
"role": "user",
"content": "Consider a rigid‑diatomic dimer AB–AB (each monomer treated as a rigid rotor) whose intermolecular interaction is described by a four‑dimensional potential energy surface (PES) V(R,θ₁,θ₂,φ), where R is the centre‑of‑mass separation, θᵢ are the polar angles of the monomer axes r... | {
"topic": "Physics",
"subtopic": "Quantum Mechanics",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 55,
"domains": [
"science",
"research",
"code"
]
} |
[
{
"role": "user",
"content": "Consider the low‑temperature oxidation (550 K – 800 K) of two C₆ hydrocarbons in a perfectly stirred, isothermal jet‑stirred reactor (JSR) operating at 1 atm and stoichiometric conditions (ϕ = 1). The fuels are (i) n‑hexane (linear) and (ii) 2,3‑dimethylbutane (highly branched)... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "DeepSeek-V3.2",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 30,
"domains": [
"science",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "Let \\(ABC\\) be a triangle with \\(H\\) as its orthocenter. Let \\(E\\) be the foot of the altitude from \\(B\\) and \\(F\\) be the foot of the altitude from \\(C\\). Let \\(X\\) be a point on the line \\(BC\\). The circumcircle of triangle \\(BEX\\) intersects the line \\(AB\... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 44,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "import tkinter as tk\n\nclass Application(tk.Frame):\n def __init__(self, master=None):\n super().__init__(master)\n self.master = master\n self.pack()\n self.create_widgets()\n\n def create_widgets(self):\n self.hi_there = tk.Button(self)\n self.hi_there[\"text\"] = \"Hello Wo... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 58,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "In triangle $ABC$, find a point $M$ on the median $AD$ such that\n\n$$\n\\overline{M A}^{2}+\\overline{M B}^{2}+\\overline{M C}^{2}\n$$\n\nis minimized."
},
{
"role": "assistant",
"content": "<think>\nOkay, so I need to find a point M on the median AD of triangle AB... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 55,
"domains": [
"math",
"code"
]
} |
[
{
"role": "user",
"content": "A certain solution has pH 3.89 at 0°C. FindpOHand [OH-].\n\nA. pOH=12.11, [OH^-]= 7.8 × 10^-13\nB. pOH=11.05, [OH^-]= 8.9 × 10^-10\nC. pOH=14.00 - pH, [OH^-] is calculated from pOH\nD. pOH=11.89, [OH^-]= 1.3 × 10^-12\nE. pOH=11.05, [OH^-]= 8.9 × 10^-12\nF. pOH=12.05, [OH^-]= 8.... | {
"category": "science_reasoning",
"data_source": "science_sft",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 32,
"domains": [
"science",
"research"
]
} |
[
{
"role": "user",
"content": "For each [positive integer](https://artofproblemsolving.com/wiki/index.php/Positive_integer) $k$, let $S_k$ denote the [ increasing](https://artofproblemsolving.com/wiki/index.php/Increasing_sequence) [arithmetic sequence](https://artofproblemsolving.com/wiki/index.php/Arithmet... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 45,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "\\(10 \\div \\left(2 \\div 0.3\\right) \\div \\left(0.3 \\div 0.04\\right) \\div \\left(0.04 \\div 0.05\\right) =\\)"
},
{
"role": "assistant",
"content": "<think>\nThe problem requires us to simplify the expression \\(10 \\div (2 \\div 0.3) \\div (0.3 \\div 0.04) \... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 41,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Given a number n, find all prime numbers between 1 to N. Print these primes one by one separated by space."
},
{
"role": "assistant",
"content": "To find all prime numbers between 1 to N, we can use the Sieve of Eratosthenes algorithm. This algorithm works by creati... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 42,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "Let \\( a, b, c \\) satisfy the conditions \\( a+b+c = a^{3} + b^{3} + c^{3} = 0 \\), where \\( n \\) is any real number. Determine the value of \\( a^{2n+1} + b^{2n+1} + c^{2n+1} \\)."
},
{
"role": "assistant",
"content": "<think>\nLet \\( a, b, c \\) satisfy the c... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 35,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Here is the function definition of a recursive function. Here is an example:\n\n`f(x, y) = 3 + f(x - 2, y - 1)`\n\nThis particular example uses a recursive function, `f(x, y)`, that takes two arguments. I'd like to have a more Pythonic way of evaluating this recursive function.... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 57,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "a) Derive Euler's formula from the identities in problems 140a) and b):\n$$\n\\frac{\\pi^{2}}{6}=1+\\frac{1}{2^{2}}+\\frac{1}{3^{2}}+\\frac{1}{4^{2}}+\\ldots\n$$\n\nb) What is the sum of the infinite series\n$$\n1+\\frac{1}{2^{4}}+\\frac{1}{3^{4}}+\\frac{1}{4^{4}}+\\ldots ?\n$$... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 51,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "A chiral organocatalyst derived from a helicene framework (denoted H‑Cat) promotes the asymmetric Michael addition of cyclohexanone to β‑nitrostyrene, delivering the γ‑nitro‑ketone product with measurable enantioselectivity. Computational studies on the catalytic cycle reveal t... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 38,
"domains": [
"research"
]
} |
[
{
"role": "user",
"content": "14. Gauss and his classmates were punished at school for being mischievous, and the teacher assigned a math problem:\nFrom the natural numbers 1 to 100, remove two consecutive odd numbers, the average of the remaining numbers is 51, what is the product of the two removed odd nu... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 49,
"domains": [
"math",
"code"
]
} |
[
{
"role": "user",
"content": "Solve the equation \\(2 \\log_{3} \\operatorname{ctg} x = \\log_{2} \\cos x\\)."
},
{
"role": "assistant",
"content": "<think>\n1. Rewriting the given equation:\n \\[\n 2 \\log_{3} \\operatorname{ctg} x = \\log_{2} \\cos x\n \\]\n We aim to rewrite this in a more ma... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 39,
"domains": [
"math",
"code"
]
} |
[
{
"role": "user",
"content": "The diagonals of a quadrilateral $A B C D$ intersect at point $O$. Prove that $S_{\\mathrm{AOB}}=S_{\\mathrm{COD}}$ if and only if $B C \\| A D$."
},
{
"role": "assistant",
"content": "<think>\nTo solve this problem, we'll explore the relationship between the areas ... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 45,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Consider a coarse‑grained model of an amphiphilic ionic liquid composed of molecules that each contain a single charged head group of magnitude \\(q\\) (either \\(+q\\) or \\(-q\\)) attached to a neutral flexible tail of \\(N\\) beads. The molecules are simulated in a three‑dim... | {
"topic": "Physics",
"subtopic": "Condensed Matter Physics",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 66,
"domains": [
"ai",
"math",
"research"
]
} |
[
{
"role": "user",
"content": "You have been hired as a software developer for your company’s product XYZ. Your first assignment is to write a program which takes a string S containing alphanumeric characters only as its input parameter and returns all possible permutations of this string using recursion. No... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 51,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "A transition‑metal boride crystallizes in a monoclinic cell (space group **C2/m**) with lattice parameters\\n\\(a = 1.6272\\;\\text{nm},\\; b = 0.3279\\;\\text{nm},\\; c = 0.4420\\;\\text{nm},\\; \\beta = 104.40^{\\circ}\\).\\nPowder diffraction and single‑crystal analysis reve... | {
"topic": "Chemistry",
"subtopic": "Inorganic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 38,
"domains": [
"research"
]
} |
[
{
"role": "user",
"content": "Let $E$ be a $\\mathbb{K}$-vector space of dimension $n$ ($n$ being an integer greater than or equal to 1) and let $f$ be an endomorphism of $E$.\n\n1. Show that if $\\operatorname{Ker} f = \\{0\\}$ then $f$ is injective and then show that $f$ is bijective.\n2. Deduce that $f$ ... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 61,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "[QUESTION]Which of the following contains a vague pronoun reference?\n[OPTIONS](A) Katie looks almost identical to her twin sister Abby, but she has pierced ears. (B) Katie has pierced ears, but otherwise she looks almost identical to her twin sister Abby."
},
{
"role":... | {
"category": "science_reasoning",
"data_source": "scienceqa",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 23,
"domains": [
"science"
]
} |
[
{
"role": "user",
"content": "Consider a planar organometallic complex of formula M(C₅H₅)(C₃H₅) (M = Ni) that can be treated as a near‑prolate asymmetric top. The experimentally determined rotational constants (in MHz) are\n- A_exp = 3107.603 (93) MHz\n- B_exp = 1302.38 (22) MHz\n- C_exp = 1276.40 (15) MHz\... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 53,
"domains": [
"research",
"science",
"code"
]
} |
[
{
"role": "user",
"content": "Embark on a comprehensive expedition to decipher the enigma of quantum entanglement, emphasizing its crucial function in the rapidly progressing field of quantum cryptography. Could you meticulously weave a narrative that delves into the origin, development, and practical appli... | {
"category": "code_algorithm",
"data_source": "codefeedback",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 53,
"domains": [
"science",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "A peptide containing an asparagine (Asn) residue undergoes oxidative hydrogen‑atom abstraction at the α‑carbon, generating a carbon‑centered radical. Because of the steric bulk of the Asn side chain, the radical adopts a geometry that possesses axial chirality, giving rise to t... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "DeepSeek-V3.2",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 48,
"domains": [
"research",
"science",
"math"
]
} |
[
{
"role": "user",
"content": "Prove that if an infinite arithmetic sequence with the first term $A$ and common difference $d$, where $d \\neq 0$, contains an infinite geometric sequence as its subsequence, then $A / d$ is a rational number."
},
{
"role": "assistant",
"content": "<think>\n1. Let'... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 46,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Updated Difficulty:\n\nNow, let's increase the difficulty of the problem. You need to implement a method called 'calculate' that takes two parameters — num1 and num2. The 'calculate' method should return the result of the addition or subtraction operation based on the third par... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 49,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "A diatomic molecule in a long‑lived electronically excited state (energy ≈ 1.0 eV above the ground state) collides with a series of neutral polyatomic molecules at 300 K, and quenching occurs via electronic‑to‑vibrational (E→V) energy transfer.\n\nIn a typical flow‑afterglow ex... | {
"topic": "Physics",
"subtopic": "Quantum Mechanics",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 44,
"domains": [
"science",
"research"
]
} |
[
{
"role": "user",
"content": "If $y=x+\\frac{1}{x}$, then $x^4+x^3-4x^2+x+1=0$ becomes: \n$\\textbf{(A)}\\ x^2(y^2+y-2)=0 \\qquad \\textbf{(B)}\\ x^2(y^2+y-3)=0\\\\ \\textbf{(C)}\\ x^2(y^2+y-4)=0 \\qquad \\textbf{(D)}\\ x^2(y^2+y-6)=0\\\\ \\textbf{(E)}\\ \\text{none of these}$"
},
{
"role": "assista... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 52,
"domains": [
"math"
]
} |
[
{
"role": "user",
"content": "The number of students in Xiaoming's class is less than 40 but more than 30. Which of the following ratios of boys to girls in the class is not possible? \nA. $2:3$ \nB. $3:4$ \nC. $4:5$ \nD. $3:7$"
},
{
"role": "assistant",
"content": "<think>\n: \n\nGiven: Xiaomin... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 57,
"domains": [
"math",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "Create a class called 'MyClass'. Class has a constructor which takes an integer as argument. Write a test case to check if calling MyClass() directly raises an exception. Also write a sample main function to demonstrate how your class can be instantiated by passing different va... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 55,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "A series of trigonal‑bipyramidal sulfur(V) fluoride complexes, **SF₃–Ar**, is studied, where the aryl fragment (Ar) is a phenyl ring bearing an ortho‑linked **–CH₂OCH₃** ether substituent. Intramolecular **S···O** chalcogen bonding between the sulfur atom of the SF₃ core and th... | {
"topic": "Chemistry",
"subtopic": "Inorganic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 38,
"domains": [
"science",
"code"
]
} |
[
{
"role": "user",
"content": "Find the maximum number of Permutation of set {$1,2,3,...,2014$} such that for every 2 different number $a$ and $b$ in this set at last in one of the permutation \n$b$ comes exactly after $a$"
},
{
"role": "assistant",
"content": "<think>\nOkay, let me try to figure... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 65,
"domains": [
"math",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "As the purpose of a framework is to simplify the building process and make it more efficient, what are the potential pitfalls of using a pre-built solution like the Django framework?"
},
{
"role": "assistant",
"content": "**Potential Pitfalls of Using a Pre-Built So... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 46,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "A bis‑aryl disilene of the general formula Ar*Si=SiAr* is equipped with a peripheral vinylic substituent on one silicon atom: a para‑fluorophenyl group attached through a carbon–carbon double bond (i.e., a Si‑C(=C‑F‑Ph) linkage). The bulky aryl group Ar* is a terphenyl substitu... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 49,
"domains": [
"research",
"science",
"code"
]
} |
[
{
"role": "user",
"content": "Given an ellipse \\( T: \\frac{x^{2}}{a^{2}} + \\frac{y^{2}}{b^{2}} = 1 \\) with \\( a > b > 0 \\) and a hyperbola \\( S: \\frac{x^{2}}{m^{2}} - \\frac{y^{2}}{n^{2}} = 1 \\) with \\( m > 0 \\), \\( n > 0 \\), both having the same focus \\( F(2,0) \\). Let the hyperbola \\( S \\... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 47,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Write a Python script to calculate body mass index (BMI) and categorize it into different classes based on the World Health Organization (WHO) guidelines. The script should take user input for weight and height, and output the BMI and its corresponding category.\n\nThe BMI is c... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 58,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "Create a dynamic and interactive user authentication registration form using cascading style sheet (CSS), JavaScript and HTML on a responsive web interface that supports desktops as well as smaller screens like tablets and smartphones. This form should be able to adapt to diffe... | {
"category": "code_algorithm",
"data_source": "codefeedback",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 56,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "This problem is about finding the equilibrium point in an array. Equilibrium point of an array is a position such that the sum of elements before it is equal to the sum of elements after it.\nYou have given an array of integers, find its equilibrium point.\n\nArray is 1-indexed... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 51,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "A coordination polymer of cobalt(II) with the empirical formula \\([{\\rm Co}(C_2H_3O_2)_2(C_{12}H_8N_2)]_n\\) has been solved by single‑crystal X‑ray diffraction. The asymmetric unit contains one Co atom that is five‑coordinate: two nitrogen donors from a chelating 1,10‑phenan... | {
"topic": "Chemistry",
"subtopic": "Inorganic Chemistry",
"question_format": "OpenQ",
"generation_model": "DeepSeek-V3.2",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 50,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "You are tasked with simulating the spread of a virus in a population. The virus spreads from person to person, with each infected person potentially infecting a certain number of others each day. Your goal is to determine the number of days it will take for a certain percentage... | {
"category": "code_algorithm",
"data_source": "codefeedback",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 36,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "For some real number $a$, define two parabolas on the coordinate plane with equations $x = y^2 + a$ and $y = x^2 + a$. Suppose there are $3$ lines, each tangent to both parabolas, that form an equilateral triangle with positive area $s$. If $s^2 = \\tfrac pq$ for coprime positi... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 68,
"domains": [
"math",
"code"
]
} |
[
{
"role": "user",
"content": "import tkinter as tk\nfrom tkinter import messagebox\nimport random\n\nclass Okno:\n def __init__(self):\n self.okno = tk.Tk()\n self.okno.title(\"Gra w kółko i krzyżyk\")\n self.przyciski = []\n for i in range(3):\n self.przyciski.append([])\n for j in range(3):\n tk.Button(se... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 40,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "In the $xy$-plane, the segment with endpoints $(-5,0)$ and $(25,0)$ is the diameter of a circle. If the point $(x,15)$ is on the circle, then $x=$\n$\\textbf{(A)}\\ 10 \\qquad\\textbf{(B)}\\ 12.5 \\qquad\\textbf{(C)}\\ 15\\qquad\\textbf{(D)}\\ 17.5 \\qquad\\textbf{(E)}\\ 20$"
... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 66,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Write a python code to implement bubble sort algorithm on a random generated unsorted list containing duplicate elements."
},
{
"role": "assistant",
"content": "Here is the Python code to implement bubble sort algorithm on a random generated unsorted list containing... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 42,
"domains": [
"code"
]
} |
[
{
"role": "user",
"content": "Perform an in-depth grammatical evaluation of the provided statement, assigning each term to its specific grammatical category within the architecture of the English linguistic system.\nStatement: They hesitated before crossing the bridge."
},
{
"role": "assistant",
... | {
"category": "code_algorithm",
"data_source": "codefeedback",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 42,
"domains": [
"code",
"ai",
"research"
]
} |
[
{
"role": "user",
"content": "Consider a series of positively charged cluster ions consisting of a central monocation (charge +1) surrounded by *n* neutral ligand molecules. The total Gibbs free energy change for forming a cluster of size *n* from *n* isolated monomers in the gas phase at temperature *T* an... | {
"topic": "Chemistry",
"subtopic": "Inorganic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 50,
"domains": [
"research",
"science"
]
} |
[
{
"role": "user",
"content": "$22 \\cdot 10$ A line $l$ intersects with the two half-planes of a right dihedral angle, and the angles formed with these two half-planes are $\\alpha$ and $\\beta$. Then the value that $\\alpha+\\beta$ must not take is\n(A) $90^{\\circ}$.\n(B) $73^{\\circ}$.\n(C) $87^{\\circ}$... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 68,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "How many moles of propane (C3H8) are there in 6.2 g of propane?\n\nA. 14.1 mol\nB. 7.1 mol\nC. 71 mol\nD. 14.1 × 10^-1 mol\nE. 1.4 × 10^-1 mol\nF. 1.41 × 10^2 mol\nG. 7.1 × 10^-1 mol\nH. 0.71 mol\nI. 1.4 mol\nJ. 141 mol\n\nPlease reason step by step, and put your final answer (... | {
"category": "science_reasoning",
"data_source": "science_sft",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 28,
"domains": [
"science",
"research"
]
} |
[
{
"role": "user",
"content": "Problem 13. Determine the length and width of a rectangular plot of land that will maximize its area given a fixed perimeter."
},
{
"role": "assistant",
"content": "<think>\nOkay, so I need to figure out how to maximize the area of a rectangular plot of land when th... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 64,
"domains": [
"math",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "Anya calls a date beautiful if all 6 digits of its record are different. For example, 19.04.23 is a beautiful date, while 19.02.23 and 01.06.23 are not. How many beautiful dates are there in the year 2023?"
},
{
"role": "assistant",
"content": "<think>\n1. To determ... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 40,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "If the expected value $\\mathrm{E} \\xi$ of a random variable $\\xi$ is defined, then the property $\\mathrm{EE}(\\xi \\mid \\eta)=\\mathrm{E} \\xi$ holds (where $\\eta$ is some random variable). Provide an example of random variables $\\xi$ and $\\eta$ for which the conditiona... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 48,
"domains": [
"math",
"code",
"research"
]
} |
[
{
"role": "user",
"content": "A molecular salt crystallises in the tetragonal space group I 4₁/a (No. 88) at 100 K. The refined unit‑cell parameters are a = 15.4435 Å (σ = 0.0002 Å) and c = 21.0395 Å (σ = 0.0003 Å). The formula weight of the asymmetric‑unit species is M = 246.26 g mol⁻¹ and there are Z = 16... | {
"topic": "Chemistry",
"subtopic": "Inorganic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 55,
"domains": [
"math",
"science",
"research"
]
} |
[
{
"role": "user",
"content": "Given 10 lines in a plane, each in general position, determine the maximum possible sum of the smallest angles formed at each intersection point of these lines."
},
{
"role": "assistant",
"content": "<think>\n1. **Problem Understanding:**\n We are given 10 lines in ... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 49,
"domains": [
"math",
"research",
"code"
]
} |
[
{
"role": "user",
"content": "Consider a covalently linked molecular triad\\(D\\!-\\!C\\!-\\!A\\) consisting of an electron‑donor (D), a chromophoric unit (C) that can be photo‑excited to its singlet excited state \\(^1C^*\\), and an electron‑acceptor (A). Upon excitation of \\(^1C^*\\) in a polar aprotic s... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 53,
"domains": [
"science",
"research",
"code"
]
} |
[
{
"role": "user",
"content": "In mathematics, a Fibonacci sequence is defined as follows: f_0 = 0;f_1 = 1;f_{n} = f_{n−1} + f_{n−2},where f_n is the nth term in the sequence.Given N, calculate the last K digits of the series.\n\nIncreased Difficulty:\n\nThe original question asks to find the last K digits o... | {
"source": "CodeResearch/Code-Evol-Instruct-OSS",
"quality_score": 52,
"domains": [
"code",
"math"
]
} |
[
{
"role": "user",
"content": "A complex metal‑hydride, **M(H₄)**, undergoes a multi‑step thermal decomposition in a flowing inert gas (He) and also under a hydrogen atmosphere of variable pressure (up to 50 bar). The overall reaction sequence, determined by X‑ray diffraction (XRD) and mass‑loss measurements... | {
"topic": "Chemistry",
"subtopic": "Inorganic Chemistry",
"question_format": "OpenQ",
"generation_model": "gpt-oss-120b",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 48,
"domains": [
"research",
"science"
]
} |
[
{
"role": "user",
"content": "9.1. $\\left[7-8.1\\right.$ (15 points)] Find all solutions to the numerical riddle AB $=$ B $^{V}$ (different letters correspond to different digits; on the left side, there is a two-digit number, not the product of digits A and B).\n\nAnswer: $32=2^{5}, 36=6^{2}, 64=4^{3}$."
... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 66,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "In the adjoining figure, $AB$ is a diameter of the circle, $CD$ is a chord parallel to $AB$, and $AC$ intersects $BD$ at $E$, with $\\angle AED = \\alpha$. The ratio of the area of $\\triangle CDE$ to that of $\\triangle ABE$ is\n\n[asy]\nsize(200);\ndefaultpen(fontsize(10pt)+l... | {
"category": "math_competition",
"data_source": "openr1_math",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 66,
"domains": [
"math",
"code"
]
} |
[
{
"role": "user",
"content": "Outside the triangle $\\triangle ABC$, form isosceles right triangles $BCD, CAE, ABF$ with $BC, CA, AB$ respectively as the hypotenuses. Prove that $AD \\perp EF$ and $AD = EF$."
},
{
"role": "assistant",
"content": "<think>\nWe are given $\\triangle ABC$ with point... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 47,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "Prove that:\n1. \\(\\sin \\alpha+\\sin \\left(\\alpha+\\frac{2 \\pi}{3}\\right)+\\sin \\left(\\alpha-\\frac{2 \\pi}{3}\\right)=0\\);\n2. \\(\\sin ^{2} \\alpha+\\sin ^{2}\\left(\\alpha+\\frac{2 \\pi}{3}\\right)+\\sin ^{2}\\left(\\alpha-\\frac{2 \\pi}{3}\\right)=\\frac{3}{2}\\);\... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 55,
"domains": [
"math",
"research"
]
} |
[
{
"role": "user",
"content": "A supramolecular system in aqueous solution consists of a cyclic oligosaccharide host (H) that can bind a linear triiodide guest (G⁻) to form a 2 : 1 host‑guest complex, H₂·G⁻. Spectroscopic titrations reveal that the overall formation constant for the reaction\n\n2 H + G⁻ ⇌ H₂... | {
"topic": "Chemistry",
"subtopic": "Organic Chemistry",
"question_format": "OpenQ",
"generation_model": "DeepSeek-V3.2",
"source": "nvidia/Nemotron-SFT-Science-v2",
"quality_score": 42,
"domains": [
"science",
"ai"
]
} |
[
{
"role": "user",
"content": "Here is a simple JavaScript function that takes a function `f` and a value `x` and returns an array of all the arguments passed to `f` where `f(x)` returns a truthy value. Here is what I have so far:\n\n```javascript\nfunction collectArgs(f, x) {\n return Array.prototype.slice.... | {
"category": "complex_logic",
"data_source": "magpie_pro",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 51,
"domains": [
"code",
"research"
]
} |
[
{
"role": "user",
"content": "Pete wrote on the board \\( n \\) consecutive two-digit octal numbers (\\( n \\geqslant 2 \\)) forming an arithmetic progression with a common difference of 8, where the first number does not contain the digit 2. Vasya thought this was the octal representation of a natural numb... | {
"category": "math_competition",
"data_source": "numina_cot",
"source": "SeaFill2025/SFT-Dataset",
"quality_score": 44,
"domains": [
"math",
"research"
]
} |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.