{"question_id": "b64da9918360461aa1726d7499494f70", "task": "ERI", "subset": "eri", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_001.jpg", "media_path": "image/image_data/complex/c_001.jpg", "question": "How many stir bars are placed on the metal mesh in the picture?", "options": ["2", "3", "4", "1"], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Equipment_and_Reagent_Identification/complex_Equipment_and_Reagent_Identification.json", "source_index": 1}
{"question_id": "2a8e1e8f5fac47eb92116138a7f82f52", "task": "ERI", "subset": "eri", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_006.jpg", "media_path": "image/image_data/complex/c_006.jpg", "question": "What is the maximum capacity of the Erlenmeyer flask in the foreground of the image?", "options": ["500 mL", "100 mL", "250 mL", "300 mL"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Equipment_and_Reagent_Identification/complex_Equipment_and_Reagent_Identification.json", "source_index": 6}
{"question_id": "bfc278ab6f7c4c7498314c43bfcae0e9", "task": "SR", "subset": "sr", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_031.jpg", "media_path": "image/image_data/complex/c_031.jpg", "question": "What is the color and condition of the liquid in the round-bottom flask on the left that is supported by two metal stands?", "options": ["Pale yellow, cloudy liquid", "Colorless, transparent liquid", "Dark brown liquid containing a precipitate", "Pale yellow, clear liquid"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/State_Recognition/complex_State_Recognition.json", "source_index": 38}
{"question_id": "4e2ae74db88541b489f93fdc77562bba", "task": "SR", "subset": "sr", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_038.jpg", "media_path": "image/image_data/complex/c_038.jpg", "question": "Has the liquid in the pear-shaped separatory funnel in the image begun to separate into layers?", "options": ["Partial layering has occurred but the interface is unclear; not fully separated", "Image lacks sufficient detail to determine whether layering has occurred", "Clear two-phase separation is visible, with a distinct interface", "Still a homogeneous mixture with no signs of layering"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/State_Recognition/complex_State_Recognition.json", "source_index": 20}
{"question_id": "331af8558c7a4ce4a4e6eca21d37a53b", "task": "SR", "subset": "sr", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_054.jpg", "media_path": "image/image_data/complex/c_054.jpg", "question": "Approximately how much liquid is in the 50 mL Erlenmeyer flask in the image?", "options": ["10 mL", "20 mL", "30 mL", "40 mL"], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/State_Recognition/complex_State_Recognition.json", "source_index": 8}
{"question_id": "f3da8982d7004df08b6d9e5482da524d", "task": "ERI", "subset": "eri", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_060.jpg", "media_path": "image/image_data/complex/c_060.jpg", "question": "What is the color and appearance of the liquid in the round-bottom flask clamped to the ring stand in the image?", "options": ["Blue and transparent", "Colorless and transparent", "Pale green and cloudy", "White and cloudy"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Equipment_and_Reagent_Identification/complex_Equipment_and_Reagent_Identification.json", "source_index": 26}
{"question_id": "2f93a6dc54ce472c9227e7bfe91b2d20", "task": "ERI", "subset": "eri", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_020.jpg", "media_path": "image/image_data/simple/s_020.jpg", "question": "Which of the following instruments is the one in the picture that has glass graduations and an orange rubber bulb attached at the top?", "options": ["graduated cylinder", "rubber-tipped dropper", "glass pipette", "pipette controller (micropipette)"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Equipment_and_Reagent_Identification/simple_Equipment_and_Reagent_Identification.json", "source_index": 5}
{"question_id": "3310ecae843348119659a01e7e70f2cc", "task": "ERI", "subset": "eri", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_013.jpg", "media_path": "image/image_data/simple/s_013.jpg", "question": "What is the maximum capacity of the glass beaker shown?", "options": ["1000 mL", "1200 mL", "700 mL", "900 mL"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Equipment_and_Reagent_Identification/simple_Equipment_and_Reagent_Identification.json", "source_index": 12}
{"question_id": "9a2c55cc47fc41fa97f333973b7eb511", "task": "SR", "subset": "sr", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_095.jpg", "media_path": "image/image_data/simple/s_095.jpg", "question": "Which operational state is the round-bottom flask most likely in?", "options": ["Cooling down", "Idle (not operating)", "Being stirred", "Being heated"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/State_Recognition/simple_State_Recognition.json", "source_index": 20}
{"question_id": "50d5d1a798d049be88e359e25eb9d5a1", "task": "ESS", "subset": "ess", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_009.jpg", "media_path": "image/image_data/complex/c_009.jpg", "question": "Is there an obvious laboratory safety hazard in the image?", "options": ["Yes", "No"], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Safety_and_Standardization/complex_Experimental_Safety_and_Standardization.json", "source_index": 1}
{"question_id": "b99a84359b7a444d8d864f3e1c17feda", "task": "ESS", "subset": "ess", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_077.jpg", "media_path": "image/image_data/complex/c_077.jpg", "question": "What risk should be noted in the picture?", "options": ["Unstable placement of glassware", "Not wearing safety goggles", "Flammable materials near an open flame"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Safety_and_Standardization/complex_Experimental_Safety_and_Standardization.json", "source_index": 11}
{"question_id": "4eb19bc7e9e84193ab7e4d94473f94b9", "task": "ESS", "subset": "ess", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_428.jpg", "media_path": "image/image_data/complex/c_428.jpg", "question": "Are there any obvious unsafe practices in the image?", "options": ["Yes", "No"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Safety_and_Standardization/complex_Experimental_Safety_and_Standardization.json", "source_index": 31}
{"question_id": "b6613b8f53cb47cd9fb2cf1cfa261ba8", "task": "ESS", "subset": "ess", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_003.jpg", "media_path": "image/image_data/simple/s_003.jpg", "question": "Are there any obvious noncompliant laboratory practices in the image?", "options": ["Yes", "No"], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Safety_and_Standardization/simple_Experimental_Safety_and_Standardization.json", "source_index": 2}
{"question_id": "c99b4ef28d0b4c5e8344ea9e1b4a84f1", "task": "ESS", "subset": "ess", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_017.jpg", "media_path": "image/image_data/simple/s_017.jpg", "question": "What potential risk is shown in the picture?", "options": ["Beaker not placed on the lab bench", "Glassware placed unstably", "Reagent label unclear"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Safety_and_Standardization/simple_Experimental_Safety_and_Standardization.json", "source_index": 8}
{"question_id": "0f27dabbb41a4795a7e7d4e4b43edf4f", "task": "SR", "subset": "sr", "capability": "Knowledge", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_161.jpg", "media_path": "image/image_data/simple/s_161.jpg", "question": "How many different colors of liquid are there in the picture?", "options": ["2", "3", "4", "5"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/State_Recognition/simple_State_Recognition.json", "source_index": 19}
{"question_id": "03ec8aa9db374feda666f1ddd2f86d5a", "task": "EAS", "subset": "eas", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_087.jpg", "media_path": "image/image_data/complex/c_087.jpg", "question": "Are the necks of the two round-bottom flasks in the picture both correctly fitted with glass funnels?", "options": ["Neither flask is correctly fitted with a funnel", "Both flasks are correctly fitted with funnels", "Only the front round-bottom flask is correctly fitted with a funnel", "Only the rear round-bottom flask is correctly fitted with a funnel"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Apparatus_Setup/complex_Experimental_Apparatus_Setup.json", "source_index": 2}
{"question_id": "e15366e132224c87a544516327db9427", "task": "EAS", "subset": "eas", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_592.jpg", "media_path": "image/image_data/complex/c_592.jpg", "question": "Is the spherical condenser correctly connected to the cooling water hoses in the figure?", "options": ["The surface connection appears complete, but the inlet and outlet of the cooling hoses may be reversed, causing improper water flow", "The condenser is not connected to the cooling water circuit; the orange hose is merely laid around the apparatus", "Correctly connected: the spherical condenser's ground-glass joint is firmly secured to the orange cooling hose with a green clip", "Not correctly connected: no reliable clamping or seal is visible between the condenser and the rubber cooling hose"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Apparatus_Setup/complex_Experimental_Apparatus_Setup.json", "source_index": 7}
{"question_id": "76b15737a3e7433985326ed2cc4dc8e2", "task": "EAS", "subset": "eas", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_422.jpg", "media_path": "image/image_data/complex/c_422.jpg", "question": "Are the two pear-shaped separatory funnels correctly connected to the tubing (hose) in the picture?", "options": ["Correctly connected; both funnels are secured with tubing.", "Not connected to tubing; only a rubber-tipped dropper is inserted into the funnel.", "Only one funnel is connected to the tubing; the other is not.", "Both funnels are connected to the tubing indirectly via the reagent cabinet or bottles."], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Apparatus_Setup/complex_Experimental_Apparatus_Setup.json", "source_index": 29}
{"question_id": "2cb29b01f43a4e6583764995b63181ae", "task": "EAS", "subset": "eas", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_136.jpg", "media_path": "image/image_data/simple/s_136.jpg", "question": "The connection status between the inverted round-bottom flask and the translucent rubber tubing in the image is:", "options": ["The translucent rubber tubing is connected to the rear, side-armed round-bottom flask and not to the inverted flask.", "It is gas-tight-connected to other apparatus via the rubber tubing and is suitable for venting or gas-flow operations.", "The tubing contacts the inverted flask but is not sealed, posing a risk of detachment or leakage.", "The tubing is suspended and not connected to any flask; no connection is formed."], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Apparatus_Setup/simple_Experimental_Apparatus_Setup.json", "source_index": 8}
{"question_id": "ae736b3ebc004b0ba1f1cb91b7e948b4", "task": "EAS", "subset": "eas", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_145.jpg", "media_path": "image/image_data/simple/s_145.jpg", "question": "Is the separatory funnel setup shown in the picture basically assembled and ready to perform layer separation?", "options": ["Basic assembly complete; liquid-liquid separation can proceed.", "Assembly incomplete: no receiving vessel is placed under the funnel, so separated layers cannot be collected.", "Assembly incomplete: the top of the funnel is not stoppered, which can cause leakage during operation.", "Assembly incomplete: although layers are visible, emulsification has occurred and must be resolved before separation."], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Apparatus_Setup/simple_Experimental_Apparatus_Setup.json", "source_index": 15}
{"question_id": "eafe6fbc6d0e4f02a4a2497b3d8684c3", "task": "EOP", "subset": "eop", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_049.jpg", "media_path": "image/image_data/complex/c_049.jpg", "question": "What operation is the person in the picture performing?", "options": ["Adjusting the position of the Erlenmeyer flask below to receive the outflowing liquid", "Stirring the sample in the small glass vial with a glass rod", "Securing the separatory funnel on the metal ring of the retort stand", "Using a rubber-bulb dropper to take liquid from the brown reagent bottle"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Operations/complex_Experimental_Operations.json", "source_index": 5}
{"question_id": "2f01d6335fe3444185e53d259f2fd373", "task": "EOP", "subset": "eop", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_082.jpg", "media_path": "image/image_data/complex/c_082.jpg", "question": "Which operation is the person in the image most likely performing?", "options": ["Observing or recording a color change of the liquid in the flask.", "Securing the round-bottom flask to a retort stand.", "Adding or removing reagents from the round-bottom flask.", "Connecting the round-bottom flask to a reflux or condenser apparatus."], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Operations/complex_Experimental_Operations.json", "source_index": 11}
{"question_id": "24cd909e773142dc9f434a8aff005d81", "task": "EOP", "subset": "eop", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "complex", "video_length": null, "filename": "c_096.jpg", "media_path": "image/image_data/complex/c_096.jpg", "question": "What operation is the round-bottom flask undergoing in the picture?", "options": ["Cooling", "Shaking", "Standing", "Heating"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Operations/complex_Experimental_Operations.json", "source_index": 17}
{"question_id": "754562b63ca34be6b7aefeb10cfbbc76", "task": "EOP", "subset": "eop", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_137.jpg", "media_path": "image/image_data/simple/s_137.jpg", "question": "What experimental operation is being performed with the apparatus and the tilted single-neck round-bottom flask shown?", "options": ["Simple distillation/fractional distillation", "Rotary evaporation (concentrating solvent)", "Reflux (condensing) reaction", "Vacuum drying of a solid"], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Operations/simple_Experimental_Operations.json", "source_index": 7}
{"question_id": "ff5428b478694bc489f389e1e9c58de2", "task": "EOP", "subset": "eop", "capability": "Experimentation", "modality": "image", "answer_format": "multiple_choice", "difficulty": "simple", "video_length": null, "filename": "s_178.jpg", "media_path": "image/image_data/simple/s_178.jpg", "question": "What operation is being performed on the liquid in the beaker?", "options": ["Stirring the solution", "Heating the solution", "Cooling the solution", "Filtering the solution"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Experimental_Operations/simple_Experimental_Operations.json", "source_index": 17}
{"question_id": "ecfd3a0647524e4892246b6a79bc36c7", "task": "AFF", "subset": "aff", "capability": "Actionability", "modality": "image", "answer_format": "point", "difficulty": "complex", "video_length": null, "filename": "c_021.jpg", "media_path": "image/image_data/affordance/c_021.jpg", "question": "To quickly shut off the flow and stop dripping into the conical flask below when needed, mark the center position of the separating funnel stopcock handle.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 1280, "height": 720}, "target_boxes": [{"x1": 1127, "y1": 439, "x2": 1182, "y2": 496}], "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Affordance_Grounding/Affordance_Grounding.json", "source_index": 2}
{"question_id": "712a08479f1b451db985d7e9aa2a07c9", "task": "AFF", "subset": "aff", "capability": "Actionability", "modality": "image", "answer_format": "point", "difficulty": "complex", "video_length": null, "filename": "c_134.jpg", "media_path": "image/image_data/affordance/c_134.jpg", "question": "When preparing to place the cuvette containing purple-red solution into the spectrophotometer, to avoid contaminating the optical surface with fingers and prevent evaporation, hold it by the exact center of the cap—mark the geometric center of the cuvette's blue cap.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 710, "height": 715}, "target_boxes": [{"x1": 324, "y1": 26, "x2": 410, "y2": 129}], "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Affordance_Grounding/Affordance_Grounding.json", "source_index": 8}
{"question_id": "391ebc9b42564548a2a617a3863770a7", "task": "AFF", "subset": "aff", "capability": "Actionability", "modality": "image", "answer_format": "point", "difficulty": "complex", "video_length": null, "filename": "c_312.jpg", "media_path": "image/image_data/affordance/c_312.jpg", "question": "If the bench alcohol lamp ignites and must be extinguished urgently, indicate the center point of the grab handle on the red portable fire extinguisher at the wall.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 512, "height": 512}, "target_boxes": [{"x1": 439, "y1": 105, "x2": 460, "y2": 159}], "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Affordance_Grounding/Affordance_Grounding.json", "source_index": 29}
{"question_id": "137ec4c76297490eaa823f7e33f92595", "task": "AFF", "subset": "aff", "capability": "Actionability", "modality": "image", "answer_format": "point", "difficulty": "simple", "video_length": null, "filename": "s_105.jpg", "media_path": "image/image_data/affordance/s_105.jpg", "question": "Please mark the center point of the meniscus of the bright yellow solution in the sample tube (the position that should be level with the eye when reading volume).", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 1280, "height": 720}, "target_boxes": [{"x1": 531, "y1": 301, "x2": 689, "y2": 463}], "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Affordance_Grounding/Affordance_Grounding.json", "source_index": 99}
{"question_id": "ba447a3de8aa492996a3efbea6b97149", "task": "AFF", "subset": "aff", "capability": "Actionability", "modality": "image", "answer_format": "point", "difficulty": "simple", "video_length": null, "filename": "s_167.jpg", "media_path": "image/image_data/affordance/s_167.jpg", "question": "If a syringe is to be used for puncture sampling, please mark the center point of the white rubber septum on the flask mouth labeled \"400\".", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 4032, "height": 3024}, "target_boxes": [{"x1": 2680, "y1": 486, "x2": 3234, "y2": 795}], "start_box": null, "trajectory": null, "end_box": null, "source_file": "image/Affordance_Grounding/Affordance_Grounding.json", "source_index": 120}
{"question_id": "f288451f7eda4e598a34040d504ad66c", "task": "TRAJ", "subset": "traj", "capability": "Actionability", "modality": "image", "answer_format": "trajectory", "difficulty": "complex", "video_length": null, "filename": "c_355.jpg", "media_path": "image/image_data/trajectory/c_355.jpg", "question": "Without touching the glass pear funnel, the brown light-sensitive reagent bottle, the glass pipette with red rubber bulb, the metal tweezers or the small magnetic stirrer, mark a pouring trajectory of 4–5 consecutive key points: start from the 100 mL glass conical flask containing yellow transparent liquid, bypass obstacles to reach above the adjacent empty glass conical flask, then align the mouths and tilt along the glass wall to pour.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 1280, "height": 720}, "target_boxes": null, "start_box": {"x1": 674, "y1": 407, "x2": 847, "y2": 623}, "trajectory": [{"x": 749, "y": 504}, {"x": 969, "y": 639}, {"x": 1167, "y": 544}, {"x": 1183, "y": 217}, {"x": 1008, "y": 170}], "end_box": {"x1": 960, "y1": 137, "x2": 1050, "y2": 211}, "source_file": "image/Trajectory_Planning/Trajectory_Planning.json", "source_index": 62}
{"question_id": "ebc56836f0ec4104ad257696651b1f7d", "task": "TRAJ", "subset": "traj", "capability": "Actionability", "modality": "image", "answer_format": "trajectory", "difficulty": "complex", "video_length": null, "filename": "c_550.jpg", "media_path": "image/image_data/trajectory/c_550.jpg", "question": "Without touching the left bottle labeled “Et2O wash impurities” (which has a transparent syringe inserted) or the central pear-shaped flask containing a colorless liquid, mark a 4–5 keypoint transport trajectory: start by grasping just above the neck of the right pear-shaped reaction flask labeled “product” containing bright yellow crystals and marked “MC-11-40w/n” “54.6221g,” lift vertically, skirt obstacles along the front edge of the bench, and finally place the flask upright on the blank bench area at the lower-right of the image.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 2699, "height": 2254}, "target_boxes": null, "start_box": {"x1": 1800, "y1": 310, "x2": 2203, "y2": 1060}, "trajectory": [{"x": 1970, "y": 596}, {"x": 1989, "y": 190}, {"x": 2562, "y": 546}, {"x": 2579, "y": 1932}], "end_box": {"x1": 2381, "y1": 1821, "x2": 2684, "y2": 2224}, "source_file": "image/Trajectory_Planning/Trajectory_Planning.json", "source_index": 74}
{"question_id": "79e04f4bb3ee479fbef17e5fc62da9ca", "task": "TRAJ", "subset": "traj", "capability": "Actionability", "modality": "image", "answer_format": "trajectory", "difficulty": "complex", "video_length": null, "filename": "c_596.jpg", "media_path": "image/image_data/trajectory/c_596.jpg", "question": "Inside the fume hood, considering the safety constraint of not touching the ring-stand column or the right glass receiving tube, provide 4–5 consecutive keypoints for a blue nitrile-gloved hand to pick up the round-bottom flask from the cork ring and move it along a safe path to a position directly under the white stopcock outlet of the separatory funnel for liquid collection.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 1920, "height": 1080}, "target_boxes": null, "start_box": {"x1": 450, "y1": 622, "x2": 620, "y2": 916}, "trajectory": [{"x": 535, "y": 807}, {"x": 480, "y": 986}, {"x": 642, "y": 1046}, {"x": 775, "y": 1016}], "end_box": {"x1": 699, "y1": 928, "x2": 933, "y2": 1074}, "source_file": "image/Trajectory_Planning/Trajectory_Planning.json", "source_index": 90}
{"question_id": "5c01fe7f50294c1bb858ae580bc1ff55", "task": "TRAJ", "subset": "traj", "capability": "Actionability", "modality": "image", "answer_format": "trajectory", "difficulty": "simple", "video_length": null, "filename": "s_193_2.jpg", "media_path": "image/image_data/trajectory/s_193_2.jpg", "question": "Mark the approach-and-grasp trajectory from the end effector of the blue Niryo One arm on the left to the transparent sample vial on the benchtop: advance at a safe height above the perforated metal plate, avoid the white column with tubing on the right, align directly above the white block that secures the vial, then descend vertically to complete the grasp. Represent the trajectory with 4–5 consecutive keypoints.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 1280, "height": 720}, "target_boxes": null, "start_box": {"x1": 482, "y1": 376, "x2": 564, "y2": 509}, "trajectory": [{"x": 531, "y": 445}, {"x": 512, "y": 301}, {"x": 651, "y": 299}, {"x": 670, "y": 468}], "end_box": {"x1": 618, "y1": 429, "x2": 708, "y2": 490}, "source_file": "image/Trajectory_Planning/Trajectory_Planning.json", "source_index": 129}
{"question_id": "d11d4cb79fd047e3a330b8f421d51e23", "task": "TRAJ", "subset": "traj", "capability": "Actionability", "modality": "image", "answer_format": "trajectory", "difficulty": "simple", "video_length": null, "filename": "s_239.jpg", "media_path": "image/image_data/trajectory/s_239.jpg", "question": "Without passing over the visible liquid area on the tabletop, plan a transport trajectory of 4–5 key points for the manipulator: approach from in front of the reagent rack and pick up the leftmost red test tube, lift vertically to a safe height, then move horizontally and finally hover directly above the rightmost yellow test tube.", "options": null, "choice_answer": null, "blank_answers": null, "image_size": {"width": 640, "height": 640}, "target_boxes": null, "start_box": {"x1": 90, "y1": 107, "x2": 136, "y2": 246}, "trajectory": [{"x": 117, "y": 189}, {"x": 119, "y": 95}, {"x": 120, "y": 19}, {"x": 267, "y": 23}], "end_box": {"x1": 246, "y1": 20, "x2": 300, "y2": 40}, "source_file": "image/Trajectory_Planning/Trajectory_Planning.json", "source_index": 145}
{"question_id": "5eb33af10125401ebb28c2785e0da07f", "task": "SVOR", "subset": "svor", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "short", "filename": "short_112.mp4", "media_path": "video/video_data/short/short_112.mp4", "question": "Based on the current experimental procedure, what is the experimenter most likely to do next?", "options": ["Pouring the liquid into the interior of a separatory funnel", "Continuing to add the test liquid into the apparatus", "Checking the apparatus' seal in preparation for phase separation", "Beginning to heat to promote the reaction"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Short-Video_Operation_Reasoning/Short-Video_Operation_Reasoning.json", "source_index": 10}
{"question_id": "af0a91931df7455c99d9ae4a5b4f8eb5", "task": "SVOR", "subset": "svor", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "short", "filename": "short_150.mp4", "media_path": "video/video_data/short/short_150.mp4", "question": "Based on the current short video, what is the experimenter most likely checking right now?", "options": ["The solution's acidity or alkalinity", "The temperature at which the container is being heated", "The volume reading of the liquid", "The sample's precipitation status"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Short-Video_Operation_Reasoning/Short-Video_Operation_Reasoning.json", "source_index": 38}
{"question_id": "22949f5072804df8a9a8102fa4a9b1d6", "task": "SVOR", "subset": "svor", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "short", "filename": "short_170.mp4", "media_path": "video/video_data/short/short_170.mp4", "question": "Based on the current short video, what is the most likely reason the experimenter is handling the instrument this way?", "options": ["Calibrate the instrument to improve measurement accuracy", "Protect the electrode's sensitive parts for storage", "Clean residual liquid from the probe surface", "Replace with a new measuring electrode"], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Short-Video_Operation_Reasoning/Short-Video_Operation_Reasoning.json", "source_index": 53}
{"question_id": "f011d92931294acd9dd0d2b2572033cc", "task": "SVOR", "subset": "svor", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "short", "filename": "short_190.mp4", "media_path": "video/video_data/short/short_190.mp4", "question": "According to the current experimental operation, after the experimenter removes the weighed result from the balance, what is the most reasonable next step?", "options": ["Transfer the reagent on the weighing paper into the next container", "Pour the reagent directly into a beaker to continue preparation", "Immediately adjust the balance zero point and recalibrate", "Use a spatula to scrape all the reagent back into the original bottle"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Short-Video_Operation_Reasoning/Short-Video_Operation_Reasoning.json", "source_index": 73}
{"question_id": "258e8b4bc1434b6aa0d552db9e136052", "task": "SVOR", "subset": "svor", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "short", "filename": "short_211.mp4", "media_path": "video/video_data/short/short_211.mp4", "question": "Based on the current experimental action, what is the experimenter most likely trying to accomplish?", "options": ["Transfer the liquid out of the graduated cylinder", "Heat the graduated cylinder", "Add liquid to the graduated cylinder", "Measure the temperature change of the liquid"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Short-Video_Operation_Reasoning/Short-Video_Operation_Reasoning.json", "source_index": 89}
{"question_id": "7f6751bcb0724628bd40af9505facba9", "task": "MVTS", "subset": "mvts", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "mid", "filename": "mid_080.mp4", "media_path": "video/video_data/mid/mid_080.mp4", "question": "Based on this video clip, which type of experimental subtask are these operations closest to completing?", "options": ["Perform electrical testing on the device", "Clean and activate the substrate surface", "Prepare and anneal perovskite thin films", "Separate and purify reaction products"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Mid-Video_Task-Step_Reasoning/Mid-Video_Task-Step_Reasoning.json", "source_index": 5}
{"question_id": "b1b0615ee5504b73a455d63be2e84802", "task": "MVTS", "subset": "mvts", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "mid", "filename": "mid_081.mp4", "media_path": "video/video_data/mid/mid_081.mp4", "question": "Based on this video clip, which experimental subtask are these operations closest to completing?", "options": ["Separate and purify the reaction products", "Assemble a gas electrochemical reaction setup", "Perform subsequent activation treatment of the electrode surface", "Prepare catalyst ink suitable for electrode testing"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Mid-Video_Task-Step_Reasoning/Mid-Video_Task-Step_Reasoning.json", "source_index": 6}
{"question_id": "6b4baa39d83344a7aba040bc89b74ca0", "task": "MVTS", "subset": "mvts", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "mid", "filename": "mid_085.mp4", "media_path": "video/video_data/mid/mid_085.mp4", "question": "Based on this video clip, which step are the current actions mainly preparing for in the subsequent binding detection?", "options": ["Immobilize target molecules from the sample onto a carrier", "Stop the reaction and develop color", "Transfer the final product into a new container", "Remove unbound components and reduce background signal"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Mid-Video_Task-Step_Reasoning/Mid-Video_Task-Step_Reasoning.json", "source_index": 10}
{"question_id": "1387eeb8dfc0465e931049a72745d2f0", "task": "MVTS", "subset": "mvts", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "mid", "filename": "mid_127.mp4", "media_path": "video/video_data/mid/mid_127.mp4", "question": "Based on this video clip, which type of experimental subtask is this set of operations closest to completing?", "options": ["Remove the solvent from the reaction system and obtain the crude product", "Further purify the product and separate its components", "Transfer the sample into the reaction vessel and begin heating", "Perform quantitative analysis of the final product and record the results"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Mid-Video_Task-Step_Reasoning/Mid-Video_Task-Step_Reasoning.json", "source_index": 52}
{"question_id": "f462ad554401422a985dcba57fe4852d", "task": "MVTS", "subset": "mvts", "capability": "Experimentation", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "mid", "filename": "mid_146.mp4", "media_path": "video/video_data/mid/mid_146.mp4", "question": "Based on this video clip, which stage of the experimental process are these operations closest to?", "options": ["Sample preprocessing and surface cleaning", "Loading and positioning samples prior to deposition", "Post-growth annealing control of thin films", "Encapsulation and storage prior to final characterization"], "choice_answer": "B", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Mid-Video_Task-Step_Reasoning/Mid-Video_Task-Step_Reasoning.json", "source_index": 71}
{"question_id": "506c1a2f60d34eda9888706b67a48c7d", "task": "TSR", "subset": "tsr_short", "capability": "Reasoning", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "short", "filename": "short_004.mp4", "media_path": "video/video_data/short/short_004.mp4", "question": "According to the sequence of actions in the video, what is most likely to happen after tightening the reagent bottle cap?", "options": ["Shake the reagent bottle to mix thoroughly", "Open the reagent bottle and withdraw reagent", "Add liquid into the reagent bottle using a dropper", "Put the reagent bottle back on the lab bench"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Temporal_Sequence_Reasoning/short_Temporal_Sequence_Reasoning.json", "source_index": 4}
{"question_id": "41fab7c705614c238d145528d0eb7169", "task": "TSR", "subset": "tsr_short", "capability": "Reasoning", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "short", "filename": "short_007.mp4", "media_path": "video/video_data/short/short_007.mp4", "question": "According to the sequence of operations in the short video, after wiping residual liquid from the bottom of the separatory funnel's neck, what is the most likely next action?", "options": ["Throw the paper towel into the trash bin", "Open the separatory funnel stopcock to release liquid", "Continue adding liquid into the separatory funnel", "Remove the separatory funnel and place it on the lab bench"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Temporal_Sequence_Reasoning/short_Temporal_Sequence_Reasoning.json", "source_index": 5}
{"question_id": "060fd849919f4cce96779f966255fe4d", "task": "TSR", "subset": "tsr_mid", "capability": "Reasoning", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "mid", "filename": "mid_036.mp4", "media_path": "video/video_data/mid/mid_036.mp4", "question": "Please arrange the following operations in the order shown in the video: Step 1: Prepare the silver nitrate solution; Step 2: Dissolve C-tab and hydroquinone; Step 3: Cool the mixed solution; Step 4: Prepare the chloroauric acid solution; Step 5: Add the silver nitrate and chloroauric acid solutions and the gold seed suspension", "options": ["Step 1, Step 3, Step 5, Step 4, Step 2", "Step 3, Step 2, Step 1, Step 5, Step 4", "Step 4, Step 1, Step 2, Step 5, Step 3", "Step 2, Step 3, Step 1, Step 4, Step 5"], "choice_answer": "D", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Temporal_Sequence_Reasoning/mid_Temporal_Sequence_Reasoning.json", "source_index": 23}
{"question_id": "e5c468df1ae943f5a7a4f8049daf53fd", "task": "TSR", "subset": "tsr_mid", "capability": "Reasoning", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "mid", "filename": "mid_042.mp4", "media_path": "video/video_data/mid/mid_042.mp4", "question": "Please arrange the following operations in the order shown in the video: Step 1: Apply vacuum to remove excess nitrogen oxides and bromides; Step 2: Add sodium nitrite at a controlled addition rate; Step 3: Stir the solution for three hours; Step 4: Dry the organic phase and rotary evaporate the solvent; Step 5: Extract the product with diethyl ether", "options": ["Step 3, Step 2, Step 4, Step 5, Step 1", "Step 3, Step 5, Step 2, Step 1, Step 4", "Step 2, Step 3, Step 1, Step 5, Step 4", "Step 2, Step 1, Step 3, Step 5, Step 4"], "choice_answer": "C", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Temporal_Sequence_Reasoning/mid_Temporal_Sequence_Reasoning.json", "source_index": 27}
{"question_id": "c6c2229f4be340c3a1a6a696b4d0ede0", "task": "TSR", "subset": "tsr_long", "capability": "Reasoning", "modality": "video", "answer_format": "multiple_choice", "difficulty": null, "video_length": "long", "filename": "long_048.mp4", "media_path": "video/video_data/long/long_048.mp4", "question": "Please arrange the following operations in the order shown in the video: Step 1: Stir at 80 °C for two hours; Step 2: Record the actual weight using the titration flask, then add a stir bar and sufficient water; Step 3: Titrate the transferred sample with hydrochloric acid using an automatic titrator; Step 4: Weigh approximately 100 mg of bio-oil sample into a 5 mL reaction vial and record the actual weight, add a paddle stirrer, 5 mL DMSO, and 2 mL prepared hydroxylamine hydrochloride solution to dissolve the sample; Step 5: Remove the sample from the heating block and cool, then transfer to the titration flask and rinse the reaction vial several times with ethanol and water; Step 6: Titrate with HCl using an automatic titrator, read the result from the titration curve, and repeat two titrations using fresh sodium carbonate samples.", "options": ["Step 2, Step 6, Step 4, Step 1, Step 5, Step 3", "Step 3, Step 2, Step 6, Step 5, Step 4, Step 1", "Step 4, Step 5, Step 2, Step 1, Step 6, Step 3", "Step 3, Step 2, Step 5, Step 6, Step 1, Step 4"], "choice_answer": "A", "blank_answers": null, "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Temporal_Sequence_Reasoning/long_Temporal_Sequence_Reasoning.json", "source_index": 29}
{"question_id": "90fc1d88d3594bfd9abdffa1ae754c04", "task": "LVPR", "subset": "lvpr", "capability": "Reasoning", "modality": "video", "answer_format": "fill_blank", "difficulty": null, "video_length": "long", "filename": "long_053.mp4", "media_path": "video/video_data/long/long_053.mp4", "question": "In this conjugate addition experiment using an organozinc bromide, the organozinc suspension is precooled in an ice–water bath and copper bromide is added to control the [blank1] process; throughout the reaction the consumption of the unsaturated ketone and the completion of hydrolysis are tracked by [blank2], indicating that the workflow requires monitoring both reaction progress and post-treatment; finally a purified product suitable for downstream characterization is obtained by [blank3].", "options": null, "choice_answer": null, "blank_answers": ["conjugate addition reaction", "thin-layer chromatography (TLC)", "silica gel column chromatography"], "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Long-Video_Experimental_Procedure_Reasoning/Long-Video_Experimental_Procedure_Reasoning.json", "source_index": 3}
{"question_id": "6886850dc74f4504bf2d110b2e6c37bf", "task": "LVPR", "subset": "lvpr", "capability": "Reasoning", "modality": "video", "answer_format": "fill_blank", "difficulty": null, "video_length": "long", "filename": "long_058.mp4", "media_path": "video/video_data/long/long_058.mp4", "question": "In this experiment encapsulating dacarbazine in nanostructured lipid carriers, lipids, surfactant, and the aqueous phase are mixed at 70 °C to form the drug-loading [blank1]; organic solvent is then evaporated and high-shear dispersion is applied to control particle size and dispersity, and particle size distribution and nanocarrier morphology are evaluated by [blank2] and [blank3], respectively. The determination of optimal conditions in the study indicates that the workflow primarily serves to improve the stability of carrier preparation and the reproducibility of the encapsulation system.", "options": null, "choice_answer": null, "blank_answers": ["nanostructured lipid carrier emulsion", "dynamic light scattering", "transmission electron microscopy"], "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Long-Video_Experimental_Procedure_Reasoning/Long-Video_Experimental_Procedure_Reasoning.json", "source_index": 8}
{"question_id": "68211c7da25d4445ae35aea678915ce1", "task": "LVPR", "subset": "lvpr", "capability": "Reasoning", "modality": "video", "answer_format": "fill_blank", "difficulty": null, "video_length": "long", "filename": "long_059.mp4", "media_path": "video/video_data/long/long_059.mp4", "question": "In the enzymatic cascade synthesis of D-chiral amino alcohols, L-lysine, buffer, and relevant cofactors together form the reaction system to initiate [blank1]; after the reaction is complete it is terminated by [blank2], and the derivatized samples are processed by membrane filtration and liquid chromatography; finally, [blank3] combined with the liquid chromatography results are used to verify the product, thereby forming an analytical closed loop from biocatalysis to structural confirmation.", "options": null, "choice_answer": null, "blank_answers": ["enzymatic cascade reaction", "hydrochloric acid quench", "nuclear magnetic resonance"], "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Long-Video_Experimental_Procedure_Reasoning/Long-Video_Experimental_Procedure_Reasoning.json", "source_index": 9}
{"question_id": "76e5cef5507a44a795498e93961692db", "task": "LVPR", "subset": "lvpr", "capability": "Reasoning", "modality": "video", "answer_format": "fill_blank", "difficulty": null, "video_length": "long", "filename": "long_088.mp4", "media_path": "video/video_data/long/long_088.mp4", "question": "In the iron nanowire fabrication process, aluminum sheets are ultrasonically cleaned with deionized water, acetone, and isopropanol to obtain a clean aluminum surface suitable for forming regular pore channels; then [blank1] is carried out in oxalic acid solution at low temperature to produce a nanoporous anodic aluminum oxide template. Afterwards, an electroplating system containing iron sulfate, boric acid and L-ascorbic acid is introduced to drive iron species into the pores and form [blank2]; repeated ethanol washing and post-treatment serve to remove residual solution and improve the reliability of subsequent [blank3].", "options": null, "choice_answer": null, "blank_answers": ["anodization", "iron nanowires", "characterization"], "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Long-Video_Experimental_Procedure_Reasoning/Long-Video_Experimental_Procedure_Reasoning.json", "source_index": 38}
{"question_id": "f6db9e3f90904c25b4cb305343077e54", "task": "LVPR", "subset": "lvpr", "capability": "Reasoning", "modality": "video", "answer_format": "fill_blank", "difficulty": null, "video_length": "long", "filename": "long_089.mp4", "media_path": "video/video_data/long/long_089.mp4", "question": "In the separation workflow for free carbenes, mixed dimers and organic radicals, dry degassed solvents, Schlenk-line connections, vacuum pumping and repeated inert-gas purging are jointly used to establish an [blank1] environment; these conditions are especially critical for radical and carbene systems because moisture and oxygen interfere with the stability of reactive intermediates. Subsequent filtration, removal of the supernatant solvent and solvent removal yielding a yellow powder indicate that the target [blank2] has been isolated; characterization by NMR and other techniques is used to verify its [blank3].", "options": null, "choice_answer": null, "blank_answers": ["anhydrous and oxygen-free", "stable free radical", "structure and purity"], "image_size": null, "target_boxes": null, "start_box": null, "trajectory": null, "end_box": null, "source_file": "video/Long-Video_Experimental_Procedure_Reasoning/Long-Video_Experimental_Procedure_Reasoning.json", "source_index": 39}