Delete set_054

set_054/63_part_000.mp4

@@ -1,3 +0,0 @@
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-oid sha256:902e657cb9b963c28876cad6697a0e68a79db84751d1399840fb1ed3111267bb
-size 145298449

set_054/63_part_001.mp4

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-version https://git-lfs.github.com/spec/v1
-oid sha256:82c6075cba808c7cd79424e3cb9a02d4bde3fd86b5e272938284d3d06f6d0c56
-size 90835876

set_054/set_054_黄誉扬.json

@@ -1,106 +0,0 @@
-{
-    "set_id": "set_054",
-    "annotator": "黄誉扬",
-    "qa_pairs": [
-        {
-            "id": 1,
-            "domain": "Culture",
-            "task_type": {
-                "L1": "III. Cross-Video Integrated Reasoning",
-                "L2": "1. Event Reconstruction",
-                "L3": "(3) Narrative Completion"
-            },
-            "question": "Based on the physical analysis in both videos, complete the missing key plot that explains why the initially leaking black smoke disappeared for nearly a minute and then suddenly turned into a fatal flame.",
-            "options": {
-                "A": "Astronauts manually cut off the fuel supply to the booster temporarily, and the system automatically restarted after reaching high altitude.",
-                "B": "Aluminum oxide produced by combustion inside the booster formed an 'in-situ ceramic seal', temporarily blocking the gap of the damaged O-ring; until around T+59 seconds, the space shuttle encountered intense jet stream/wind shear, and severe physical flexure shattered this fragile temporary seal.",
-                "C": "A thermal tile fragment from the External Tank (ET) hit the joint, embedding in the gap and blocking it for 50 seconds until it was ejected during max Q phase.",
-                "D": "The booster casing contracted due to cooling during flight, using thermal expansion and contraction to maintain pressure balance for a 50-second window."
-            },
-            "answer": "B",
-            "evidence": [
-                {
-                    "video_path": "E:/anno/videos\\63_part_000.mp4",
-                    "video_name": "63_part_000.mp4",
-                    "segments": [
-                        {
-                            "start": "33:50",
-                            "end": "34:40"
-                        }
-                    ]
-                },
-                {
-                    "video_path": "E:/anno/videos\\63_part_001.mp4",
-                    "video_name": "63_part_001.mp4",
-                    "segments": [
-                        {
-                            "start": "32:15",
-                            "end": "33:50"
-                        }
-                    ]
-                }
-            ],
-            "created_at": "2026-02-27T16:14:10.483132"
-        },
-        {
-            "id": 2,
-            "domain": "Culture",
-            "task_type": {
-                "L1": "III. Cross-Video Integrated Reasoning",
-                "L2": "1. Event Reconstruction",
-                "L3": "(3) Narrative Completion"
-            },
-            "question": "Based on both videos, complete the missing plot in Video B: why did NASA management show a strong sense of urgency late Monday night, unwilling to postpone the launch beyond Saturday?",
-            "options": {
-                "A": "Because Saturday was President Reagan's birthday, and NASA wanted to present a gift before his birthday.",
-                "B": "Because Christa McAuliffe's 'Teacher in Space' lesson was scheduled for the 4th day of the flight; if the launch did not happen on Tuesday, the 4th day would fall on Saturday or Sunday, when schools across the US would be closed and children could not watch the live broadcast in classrooms.",
-                "C": "Because the space shuttle's liquid hydrogen battery pack could only last 48 hours and had to be completely replaced after expiration.",
-                "D": "Because a competing rocket from the European Space Agency was scheduled to launch on Saturday, and NASA wanted to seize the commercial market."
-            },
-            "answer": "B",
-            "evidence": [
-                {
-                    "video_path": "E:/anno/videos\\63_part_001.mp4",
-                    "video_name": "63_part_001.mp4",
-                    "segments": [
-                        {
-                            "start": "20:49",
-                            "end": "21:15"
-                        }
-                    ]
-                }
-            ],
-            "created_at": "2026-02-27T16:15:22.841529"
-        },
-        {
-            "id": 3,
-            "domain": "Culture",
-            "task_type": {
-                "L1": "III. Cross-Video Integrated Reasoning",
-                "L2": "1. Event Reconstruction",
-                "L3": "(3) Narrative Completion"
-            },
-            "question": "Based on both episodes, complete the narrative twist about McDonald's career at the end of Video B: who intervened and brought him back to the core team of the accident investigation?",
-            "options": {
-                "A": "Richard Feynman used his fame to write directly to President Reagan to appeal.",
-                "B": "The National Society of Professional Engineers launched a strike demanding his reinstatement.",
-                "C": "The NASA Administrator realized it was a misunderstanding, apologized to him voluntarily, and gave him a raise.",
-                "D": "After learning that he had been reassigned, General Donald Kutyna of the Presidential Commission reported the situation directly to Chairman William Rogers, who then summoned and reprimanded the senior management of Morton Thiokol."
-            },
-            "answer": "D",
-            "evidence": [
-                {
-                    "video_path": "E:/anno/videos\\63_part_001.mp4",
-                    "video_name": "63_part_001.mp4",
-                    "segments": [
-                        {
-                            "start": "44:10",
-                            "end": "45:10"
-                        }
-                    ]
-                }
-            ],
-            "created_at": "2026-02-27T16:16:11.451210"
-        }
-    ]
-}