| {"task_id": "p01-xlsx-late-loans", "question": "The attached spreadsheet is a library's loan log. Consider only loans by members in the Student tier that were checked out during March 2026. How many of those loans were returned more than 21 days after the checkout date? Loans with no return date do not count.", "file_name": "files/library_loans.xlsx", "final_answer": "8", "answer_format": "number", "skills": ["file:xlsx", "filter", "date-arithmetic", "count", "strict-bound"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"Tier == Student, checkout in 2026-03, Returned not blank, (Returned - Checked Out).days > 21\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p02-xlsx-multisheet-sku", "question": "The attached workbook has one sheet per warehouse. Summed across all warehouses, which SKU has the largest total quantity on hand? Answer with the SKU code only.", "file_name": "files/warehouse_stock.xlsx", "final_answer": "KX-2210", "answer_format": "string", "skills": ["file:xlsx", "multi-sheet", "group-by", "argmax"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"concat all sheets, group by SKU, sum Qty On Hand, argmax (unique)\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p03-csv-evening-trips", "question": "The attached CSV lists one day's shuttle trips. How many trips departed at or after 18:00 and took longer than 90 minutes from departure to arrival?", "file_name": "files/shuttle_trips.csv", "final_answer": "4", "answer_format": "number", "skills": ["file:csv", "datetime", "filter", "count", "strict-bound"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"departure.hour >= 18 and (arrival - departure) > 90 min (overnight arrivals included)\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p04-csv-pm25-ranking", "question": "The attached file has hourly PM2.5 readings from several monitoring stations; blank cells are missed readings and should be ignored, not treated as zero. Which three stations have the highest mean PM2.5? List the station names, highest mean first, separated by commas.", "file_name": "files/air_quality_hourly.csv", "final_answer": "Harbour Road, Station Square, Kingsway", "answer_format": "ordered_list", "skills": ["file:csv", "missing-values", "group-by", "ranking", "ordered-list"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"groupby(station).mean() with NaN skipped, top 3 descending\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p05-py-queue-sim", "question": "The attached Python script simulates a ticket counter and prints how many customers are waiting after 60 minutes. If the same simulation were run for 240 minutes with three counters open instead of the default (everything else unchanged), how many customers would still be waiting at the end?", "file_name": "files/queue_sim.py", "final_answer": "4", "answer_format": "number", "skills": ["file:py", "code-execution", "modify-parameters"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"simulate(240, counters=3) from the attached module\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p06-py-invert-cipher", "question": "The attached Python module defines a function encode(). Which lowercase English word w satisfies encode(w) == 'kkbeqsz'?", "file_name": "files/label_cipher.py", "final_answer": "lantern", "answer_format": "string", "skills": ["file:py", "code-reasoning", "inversion"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"invert encode(): reverse, then subtract key shift and position index mod 26\", \"ciphertext\": \"kkbeqsz\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p07-audio-platform", "question": "Listen to the attached station announcement. From which platform should a passenger travelling to Preston now depart? Answer with the platform number only.", "file_name": "files/station_announcement.mp3", "final_answer": "11", "answer_format": "number", "skills": ["file:audio", "transcription", "distractors"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"TTS script (source.tts_text): the 19:05 to Preston is cancelled; take the 19:20 from platform eleven\", \"tts_text\": \"Good evening. This is a platform alteration. The eighteen fifteen service to Carlisle will now depart from platform nine, not platform four. The eighteen forty-two service to Lancaster remains at platform six. The nineteen oh five service to Preston is cancelled. Passengers for Preston should instead take the nineteen twenty service, departing from platform eleven. We apologise for any inconvenience.\", \"tts_voice\": \"Samantha (macOS say, rate 170)\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p08-audio-mean-reading", "question": "The attached recording is a technician reading out temperature measurements in degrees Celsius. What is the mean of the readings, rounded to one decimal place?", "file_name": "files/sensor_readings.mp3", "final_answer": "20.6", "answer_format": "number", "skills": ["file:audio", "transcription", "arithmetic", "rounding"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"mean of the five readings in the TTS script, ROUND_HALF_UP to 0.1\", \"tts_text\": \"Sensor log for bay three, recorded at the start of the shift. All readings are in degrees Celsius. Reading one: 21.4. Reading two: 19.8. Reading three: 22.6. Reading four: 20.2. Reading five: 18.9. End of log.\", \"tts_voice\": \"Samantha (macOS say, rate 170)\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p09-image-chess-mate", "question": "The attached image shows a chess position with White to move (White pieces are drawn in white, Black pieces in black; White plays up the board from rank 1). White has exactly one move that delivers checkmate immediately. Give that move in standard algebraic notation (SAN), including the mate symbol.", "file_name": "files/chess_diagram.png", "final_answer": "Qe8#", "answer_format": "string", "skills": ["file:image", "vision", "chess", "verification"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"python-chess: legal moves from source.fen whose result is checkmate (exactly one)\", \"fen\": \"6k1/1n1Q1ppp/6q1/R7/7N/B5b1/5PPP/6K1 w - - 0 1\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p10-image-chart-mean", "question": "The attached bar chart shows a weather station's monthly rainfall for one year. Which month's rainfall was closest to that year's monthly average? Give the full month name.", "file_name": "files/rainfall_chart.png", "final_answer": "September", "answer_format": "string", "skills": ["file:image", "vision", "chart-reading", "arithmetic"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"argmin |value - mean(values)| over the 12 plotted values (source.values)\", \"values\": {\"January\": 88, \"February\": 71, \"March\": 57, \"April\": 55, \"May\": 49, \"June\": 38, \"July\": 29, \"August\": 41, \"September\": 66, \"October\": 92, \"November\": 97, \"December\": 85}}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p11-pdf-action-items", "question": "How many action items in the attached meeting minutes are owned by Priya Raman and are due before 15 November 2026?", "file_name": "files/procurement_minutes.pdf", "final_answer": "3", "answer_format": "number", "skills": ["file:pdf", "filter", "date-comparison", "near-miss-names", "count"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"parse 'AIxx | ... | Owner: X | Due: D' lines; Owner == 'Priya Raman' and D < 2026-11-15\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "p12-json-top-customer", "question": "The attached JSON is an order export. Counting only orders whose status is \"shipped\", which customer spent the most in total (sum of quantity times unit price over their items)? Give the customer's full name as First Last.", "file_name": "files/orders_export.json", "final_answer": "Theo Nakamura", "answer_format": "string", "skills": ["file:json", "nested-data", "filter", "group-by", "argmax"], "source_type": "generated", "source": "{\"type\": \"generated\", \"generator\": \"evals/practice/build_practice.py\", \"derivation\": \"status == shipped; per customer sum(qty * unit_price); argmax (unique)\"}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "w01-wiki-element-city", "question": "A chemical element is named after the Latin name of the capital city of Sweden. What is that element's atomic number?", "file_name": null, "final_answer": "67", "answer_format": "number", "skills": ["web", "wikipedia", "multi-hop", "number"], "source_type": "wikipedia", "source": "{\"type\": \"wikipedia\", \"retrieved\": \"2026-10-10\", \"hops\": [{\"url\": \"https://en.wikipedia.org/wiki/Holmium\", \"revid\": 1377857933, \"retrieved\": \"2026-10-10\", \"evidence\": \"The element's name comes from Holmia, the Latin name for the city of Stockholm.\"}, {\"url\": \"https://en.wikipedia.org/wiki/Holmium\", \"revid\": 1377857933, \"retrieved\": \"2026-10-10\", \"evidence\": \"Holmium is a chemical element; it has symbol Ho and atomic number 67.\"}]}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "w02-wiki-architect-prize", "question": "In what year was the architect who designed the Sydney Opera House awarded the Pritzker Architecture Prize?", "file_name": null, "final_answer": "2003", "answer_format": "number", "skills": ["web", "wikipedia", "multi-hop", "year"], "source_type": "wikipedia", "source": "{\"type\": \"wikipedia\", \"retrieved\": \"2026-10-10\", \"hops\": [{\"url\": \"https://en.wikipedia.org/wiki/Sydney_Opera_House\", \"revid\": 1378768237, \"retrieved\": \"2026-10-10\", \"evidence\": \"Designed by Danish architect Jørn Utzon and completed by an Australian architectural team headed by Peter Hall, the building was formally opened by Queen Elizabeth II on 20 October 1973, ...\"}, {\"url\": \"https://en.wikipedia.org/wiki/Jørn_Utzon\", \"revid\": 1373787728, \"retrieved\": \"2026-10-10\", \"evidence\": \"In 2003, he was awarded the Pritzker Prize, architecture's highest honor.\"}]}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "w03-wiki-bolivia-borders", "question": "Which countries share a land border with Bolivia? List them in alphabetical order, separated by commas.", "file_name": null, "final_answer": "Argentina, Brazil, Chile, Paraguay, Peru", "answer_format": "ordered_list", "skills": ["web", "wikipedia", "list", "ordered-list", "alphabetical"], "source_type": "wikipedia", "source": "{\"type\": \"wikipedia\", \"retrieved\": \"2026-10-10\", \"hops\": [{\"url\": \"https://en.wikipedia.org/wiki/Bolivia\", \"revid\": 1378338095, \"retrieved\": \"2026-10-10\", \"evidence\": \"Bolivia is bordered by Brazil to the north and east, Paraguay to the southeast, Argentina to the south, Chile to the southwest, and Peru to the west.\"}]}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
| {"task_id": "w04-wiki-mozart-river", "question": "Which river flows through the city where Wolfgang Amadeus Mozart was born? Give only the river's name, without the word \"River\".", "file_name": null, "final_answer": "Salzach", "answer_format": "string", "skills": ["web", "wikipedia", "multi-hop", "entity"], "source_type": "wikipedia", "source": "{\"type\": \"wikipedia\", \"retrieved\": \"2026-10-10\", \"hops\": [{\"url\": \"https://en.wikipedia.org/wiki/Wolfgang_Amadeus_Mozart\", \"revid\": 1379458284, \"retrieved\": \"2026-10-10\", \"evidence\": \"Born in Salzburg, Mozart quickly emerged as a child prodigy under the training of his father Leopold, a skilled pedagogue.\"}, {\"url\": \"https://en.wikipedia.org/wiki/Salzburg\", \"revid\": 1378187032, \"retrieved\": \"2026-10-10\", \"evidence\": \"The city lies on the Salzach River, near the border with Germany and at the foot of the Alps mountains.\"}]}", "canary": "GAIA-AGENT-PRACTICE CANARY 65a201c3-653f-4400-958d-b59accba6eec"} |
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