[
  {
    "problem_id": "validation_1",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 10.0",
      "B. 5.0",
      "C. 12.0",
      "D. 15.0",
      "E. 20.0"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Assume that 2.24 liters of gas fully participates in the reaction shown in the video under the standard temperature and pressure condition, how many grams of precipitate are produced approximately?",
    "problem_reserved_text": "Assume that 2.24 liters of gas fully participates in the reaction shown in the video under the standard temperature and pressure condition, how many grams of precipitate are produced approximately?",
    "videos": [
      "./videos/Chemistry/0.mp4"
    ]
  },
  {
    "problem_id": "validation_3",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Isothermal compression",
      "B. Adiabatic compression",
      "C. Isobaric compression",
      "D. Adiabatic expansion",
      "E. Isothermal expansion"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which process is shown in the animation?",
    "problem_reserved_text": "Which process is shown in the animation?",
    "videos": [
      "./videos/Thermodynamics/0.mp4"
    ]
  },
  {
    "problem_id": "validation_5",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The stress-strain curve shows nonlinear behavior before failure, indicating the onset of material yield.",
      "B. The material fails at the proportional limit, demonstrating brittle fracture with minimal energy absorption.",
      "C. The test indicates that the composite material undergoes significant necking before fracture, characteristic of ductile materials.",
      "D. The material fails due to yielding of the polymer matrix, leading to extensive fiber pull-out before fracture.",
      "E. The material displays viscoelastic properties, as evidenced by time-dependent deformation during the test."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video, which of the following statements most accurately characterizes the mechanical behavior of the material tested?",
    "problem_reserved_text": "Based on the video, which of the following statements most accurately characterizes the mechanical behavior of the material tested?",
    "videos": [
      "./videos/Materials_Science/0.mp4"
    ]
  },
  {
    "problem_id": "validation_8",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Lenz’s Law",
      "B. Kepler’s Third Law",
      "C. Newton’s First Law",
      "D. Hooke’s Law",
      "E. Coulomb's Law"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which law is behind the above phenomenon?",
    "problem_reserved_text": "Which law is behind the above phenomenon?",
    "videos": [
      "./videos/Electromagnetism/1.mp4"
    ]
  },
  {
    "problem_id": "validation_12",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ni has a lower specific heat than Brass",
      "B. Al has a lower specific heat than Brass",
      "C. Al has a higher specific heat than Stainless steel",
      "D. Cu has a lower specific heat than Brass",
      "E. Stainless steel has a lower specific heat than Cu"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> According to the video, which of the following statements can be inferred?",
    "problem_reserved_text": "According to the video, which of the following statements can be inferred?",
    "videos": [
      "./videos/Mechanical_Engineering/0.mp4"
    ]
  },
  {
    "problem_id": "validation_13",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Aluminum has a higher thermal conductivity than copper, allowing heat to travel faster along the rod.",
      "B. Aluminum has a lower heat capacity per unit volume than copper, so it heats up faster despite having a lower thermal conductivity.",
      "C. The melting point of aluminum is lower than that of copper, causing the indicator to melt sooner.",
      "D. Aluminum rods have a larger cross-sectional area, reducing thermal resistance.",
      "E. The experiment demonstrates experimental error; copper should have heated up faster in theory."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following is the most accurate explanation for why the indicator on the aluminum rod melted first?",
    "problem_reserved_text": "Which of the following is the most accurate explanation for why the indicator on the aluminum rod melted first?",
    "videos": [
      "./videos/Mechanical_Engineering/0.mp4"
    ]
  },
  {
    "problem_id": "validation_15",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Different metal rods have different magnetic permeabilities. Metal rods with high magnetic permeability make light bulbs brighter.",
      "B. Different metal rods have different resistances. Metal rods with lower resistance make the bulb brighter.",
      "C. Different metal rods have different magnetic permeabilities. Metal rods with high magnetic permeability make the bulb darker.",
      "D. Different metal rods have different magnetic field strengths. Metal rods with lower magnetic field strengths make the bulb dimmer.",
      "E. Different metal rods have different resistances. Metal rods with higher resistance make the bulb brighter."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Why do light bulbs glow differently when different metal rods are inserted?",
    "problem_reserved_text": "Why do light bulbs glow differently when different metal rods are inserted?",
    "videos": [
      "./videos/Electrical_Engineering/1.mp4"
    ]
  },
  {
    "problem_id": "validation_17",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. It may convert gravitational energy into elastic energy.",
      "B. It may convert one force to another force.",
      "C. It may convert one speed to another speed.",
      "D. It may convert linear motion into rotational motion.",
      "E. It may convert gravitational energy to kinetic energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of mechanical transformation is not represented in the video?",
    "problem_reserved_text": "What kind of mechanical transformation is not represented in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/1.mp4"
    ]
  },
  {
    "problem_id": "validation_18",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A decrease in primary productivity due to reduced nutrient upwelling.",
      "B. An increase in marine biodiversity due to enhanced nutrient availability.",
      "C. Coral reef expansion due to cooler sea surface temperatures.",
      "D. A surge in fish populations along the coast due to favorable breeding conditions.",
      "E. A widespread algal bloom caused by increased nutrient runoff."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following biological events in the eastern Pacific Ocean is most likely to occur due to the phenomenon shown?",
    "problem_reserved_text": "Which of the following biological events in the eastern Pacific Ocean is most likely to occur due to the phenomenon shown?",
    "videos": [
      "./videos/Biology/0.mp4"
    ]
  },
  {
    "problem_id": "validation_19",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The thermocline deepens, reducing nutrient upwelling and leading to decreased primary productivity.",
      "B. The thermocline becomes shallower, enhancing nutrient upwelling and increasing primary productivity.",
      "C. The thermocline remains at the same depth, but increased surface temperatures boost metabolic rates in marine organisms.",
      "D. The thermocline oscillates unpredictably, creating erratic patterns of nutrient distribution and primary productivity.",
      "E. The thermocline deepens, but increased wind-driven mixing compensates for nutrient loss, maintaining primary productivity levels."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the oceanic changes depicted in the video, which of the following best explains how the phenomenon impacts the thermocline depth and consequently affects marine ecosystems in the eastern Pacific Ocean?",
    "problem_reserved_text": "Based on the oceanic changes depicted in the video, which of the following best explains how the phenomenon impacts the thermocline depth and consequently affects marine ecosystems in the eastern Pacific Ocean?",
    "videos": [
      "./videos/Biology/0.mp4"
    ]
  },
  {
    "problem_id": "validation_21",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The rent of office buildings in the city center has risen.",
      "B. The number of residents in the suburbs of cities has increased.",
      "C. The pace of life has become faster.",
      "D. The demand for entertainment facilities in cities is decreasing.",
      "E. The frequency of urban public transportation is increasing."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Imagine what kind of changes would happen if more and more young people in a city chose this way of working?",
    "problem_reserved_text": "Imagine what kind of changes would happen if more and more young people in a city chose this way of working?",
    "videos": [
      "./videos/Geography/0.mp4"
    ]
  },
  {
    "problem_id": "validation_23",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Larger",
      "B. Smaller, then larger",
      "C. Smaller",
      "D. Keep same",
      "E. Larger, then smaller"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> How does the energy of the pendulum changes after adding a new item in the experiment without consideration of friction?",
    "problem_reserved_text": "How does the energy of the pendulum changes after adding a new item in the experiment without consideration of friction?",
    "videos": [
      "./videos/Mechanics/0.mp4"
    ]
  },
  {
    "problem_id": "validation_24",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. peptidyltransferase",
      "B. RNA polymerase",
      "C. DNA polymerase",
      "D. Topoisomerase",
      "E. Spliceosome complex"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What could the brown stuff in the video be?",
    "problem_reserved_text": "What could the brown stuff in the video be?",
    "videos": [
      "./videos/Clinical_Medicine/0.mp4"
    ]
  },
  {
    "problem_id": "validation_25",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bubble Sort",
      "B. Merge Sort",
      "C. Insertion Sort",
      "D. Selection Sort",
      "E. Heap Sort"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> The algorithm demonstrated in the video is which common algorithm?",
    "problem_reserved_text": "The algorithm demonstrated in the video is which common algorithm?",
    "videos": [
      "./videos/Computer_Science/2.mp4"
    ]
  },
  {
    "problem_id": "validation_26",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ohm's Law",
      "B. Hooke's Law",
      "C. Archimedes' Law",
      "D. Joule's Law",
      "E. Kepler's Laws"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which law does the motion shown in the video satisfy? ",
    "problem_reserved_text": "Which law does the motion shown in the video satisfy? ",
    "videos": [
      "./videos/Astronomy/0.mp4"
    ]
  },
  {
    "problem_id": "validation_28",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The aluminum piece on the left has greater initial power than the aluminum piece in the middle.",
      "B. The aluminum piece on the left is subject to force in the external magnetic field but the aluminum piece in the middle is unforced.",
      "C. The aluminum sheet on the left has a small area, and the induced electromotive force is small, so the resistance it receives is small.",
      "D. The aluminum piece in the middle experiences resistance in the magnetic field, but the aluminum piece on the left does not experience magnetic force.",
      "E. The structure of the aluminum sheet on the left limits the path of the induced current, resulting in no or much less induced current."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Why does the aluminum piece on the left move longer than the aluminum piece in the middle?",
    "problem_reserved_text": "Why does the aluminum piece on the left move longer than the aluminum piece in the middle?",
    "videos": [
      "./videos/Electromagnetism/3.mp4"
    ]
  },
  {
    "problem_id": "validation_29",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The middle plate stops sooner because the magnetic field exerts a direct mechanical force opposing its motion; replacing it with brass would cause it to stop even sooner due to increased magnetic interactions.",
      "B. The middle plate stops sooner due to magnetic hysteresis losses as it moves through the magnetic field; replacing it with brass would cause it to stop later because brass is less susceptible to hysteresis losses.",
      "C. The middle plate stops sooner due to eddy current damping opposing its motion; replacing it with brass, which has higher electrical resistivity, would cause it to swing shorter because larger eddy currents would be induced, leading to more damping.",
      "D. The middle plate stops sooner because the magnetic field exerts a direct mechanical force opposing its motion; replacing it with brass would cause it to stop later due to decreased magnetic interactions.",
      "E. The middle plate stops sooner due to eddy current damping opposing its motion; replacing it with brass, which has higher electrical resistivity, would cause it to swing longer because smaller eddy currents would be induced, leading to less damping."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following statements best explains the observed difference in the durations of swinging, and predicts the expected effect if the middle plate were replaced with a plate made of brass?",
    "problem_reserved_text": "Which of the following statements best explains the observed difference in the durations of swinging, and predicts the expected effect if the middle plate were replaced with a plate made of brass?",
    "videos": [
      "./videos/Electromagnetism/3.mp4"
    ]
  },
  {
    "problem_id": "validation_31",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Joule's Law",
      "B. Hooke's Law",
      "C. Kepler's Laws",
      "D. Newton's Laws",
      "E. Archimedes' Law"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which law does the experiment shown in the video satisfy? ",
    "problem_reserved_text": "Which law does the experiment shown in the video satisfy? ",
    "videos": [
      "./videos/Mechanics/1.mp4"
    ]
  },
  {
    "problem_id": "validation_34",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. others",
      "B. omniscient narrator",
      "C. limited omniscient",
      "D. second-person",
      "E. third-person"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> According to the video,what's the narration perspective?",
    "problem_reserved_text": "According to the video,what's the narration perspective?",
    "videos": [
      "./videos/Literature/0.mp4"
    ]
  },
  {
    "problem_id": "validation_35",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Romanticism",
      "B. Postmodernism",
      "C. Realism",
      "D. Naturalism",
      "E. Symbolism"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which literary movement does the narrative style of the video most closely align with?",
    "problem_reserved_text": "Which literary movement does the narrative style of the video most closely align with?",
    "videos": [
      "./videos/Literature/0.mp4"
    ]
  },
  {
    "problem_id": "validation_36",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The cyclical nature of time and history",
      "B. The blurring of reality and illusion",
      "C. The destructive pursuit of power",
      "D. The inevitable decline of human morality",
      "E. The redemptive power of love and sacrifice"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video description, which of the following literary themes is most prominently represented in the narrative?",
    "problem_reserved_text": "Based on the video description, which of the following literary themes is most prominently represented in the narrative?",
    "videos": [
      "./videos/Literature/0.mp4"
    ]
  },
  {
    "problem_id": "validation_37",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. There is a power source inside the light bulb.",
      "B. The gravitational potential energy of the bulb is converted into electrical energy making the bulb glow.",
      "C. There is a magnetic field in the environment, and the light bulb cuts the magnetic field lines to generate an induced electromotive force.",
      "D. A chemical reaction occurs when the substance in the bulb moves, and the chemical energy is converted into electrical energy to make the bulb shine.",
      "E. The internal energy of the light bulb is converted into electrical energy to make the light bulb shine."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Why do LED bulbs light up?",
    "problem_reserved_text": "Why do LED bulbs light up?",
    "videos": [
      "./videos/Electromagnetism/4.mp4"
    ]
  },
  {
    "problem_id": "validation_38",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. No electromotive force (EMF) or eddy currents are induced in the conductive sheet because it is stationary relative to the magnetic field.",
      "B. Eddy currents are induced in the conductive sheet, generating a magnetic field that opposes the increasing external magnetic field, resulting in a repulsive force that pushes the sheet away from the magnetic field source.",
      "C. Eddy currents are induced in the conductive sheet, and the induced magnetic field aids the increasing external magnetic field, causing an attractive force that pulls the sheet toward the magnetic field source.",
      "D. Eddy currents are induced in the sheet, but due to symmetry, the induced magnetic fields cancel out, resulting in no net magnetic effect or mechanical force on the sheet.",
      "E. Eddy currents are induced in the sheet, generating a magnetic field opposing the change in the external field, but since the sheet is held stationary, no related mechanical movement occurs despite the presence of induced forces."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following statements best describes the phenomena occurring in the conductive sheet?",
    "problem_reserved_text": "Which of the following statements best describes the phenomena occurring in the conductive sheet?",
    "videos": [
      "./videos/Electromagnetism/4.mp4"
    ]
  },
  {
    "problem_id": "validation_39",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Palpation",
      "B. Percussion",
      "C. Inspection",
      "D. Auscultation",
      "E. Both B and D"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which step of the chest examination is not shown in the video?",
    "problem_reserved_text": "Which step of the chest examination is not shown in the video?",
    "videos": [
      "./videos/Clinical_Medicine/1.mp4"
    ]
  },
  {
    "problem_id": "validation_40",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Third one",
      "B. Second one",
      "C. All",
      "D. First one",
      "E. Two of the three"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which move motion in the video lose the system energy?",
    "problem_reserved_text": "Which move motion in the video lose the system energy?",
    "videos": [
      "./videos/Mechanics/2.mp4"
    ]
  },
  {
    "problem_id": "validation_42",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Norovirus",
      "B. Measles virus",
      "C. Hemorrhagic fever virus",
      "D. Human papillomavirus",
      "E. Arboviral encephalitis virus"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following virus infections does it belong to?",
    "problem_reserved_text": "Which of the following virus infections does it belong to?",
    "videos": [
      "./videos/Basic_Medicine/0.mp4"
    ]
  },
  {
    "problem_id": "validation_43",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Unify the political system and social system of member states",
      "B. Develop a unified labor market across member states",
      "C. Create a common currency for all member states",
      "D. Eliminate trade barriers between member states and promote economic integration",
      "E. Strengthen exchanges among member states in the fields of culture and education"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What is the main economic purpose of the event shown in the video?",
    "problem_reserved_text": "What is the main economic purpose of the event shown in the video?",
    "videos": [
      "./videos/Economics/0.mp4"
    ]
  },
  {
    "problem_id": "validation_44",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. By creating a common market allows free movement of goods, services, capital, and labor, letting members specialize by their strengths.",
      "B. By adopting a single currency to eliminate exchange rate fluctuations and reduce transaction costs among member states.",
      "C. By imposing uniform protectionist tariffs against non-member countries to shield domestic industries from external competition.",
      "D. By integrating fiscal policies to redistribute wealth from richer to poorer member states, reducing economic disparities.",
      "E. By standardizing labor laws and working conditions across member states to prevent a 'race to the bottom' in labor standards."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following best explains the primary benefits brought by the treaty shown in the video?",
    "problem_reserved_text": "Which of the following best explains the primary benefits brought by the treaty shown in the video?",
    "videos": [
      "./videos/Economics/0.mp4"
    ]
  },
  {
    "problem_id": "validation_45",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A decrease in overall consumer welfare resulting from trade diversion away from more efficient non-member producers.",
      "B. Reduction in intra-industry trade among member states as countries focus solely on their areas of absolute advantage.",
      "C. Standardization leading to a decrease in product diversity as member states eliminate overlapping industries.",
      "D. An increase in economies of scale and intensified competition, resulting in lower prices and greater product variety for consumers.",
      "E. Immediate harmonization of fiscal policies leading to the elimination of budget deficits among member states."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> From an economic perspective, given both classical and modern trade theories, which of the following is the most likely long-term effect on the countries shown in the video?",
    "problem_reserved_text": "From an economic perspective, given both classical and modern trade theories, which of the following is the most likely long-term effect on the countries shown in the video?",
    "videos": [
      "./videos/Economics/0.mp4"
    ]
  },
  {
    "problem_id": "validation_46",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Larger",
      "B. Keep same",
      "C. Larger first, then smaller",
      "D. Smaller",
      "E. None of the above"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> How does the kinetic energy of the system in the video changes?",
    "problem_reserved_text": "How does the kinetic energy of the system in the video changes?",
    "videos": [
      "./videos/Mechanics/3.mp4"
    ]
  },
  {
    "problem_id": "validation_47",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The net force on the block is zero, and no work is done on the block.",
      "B. The net force on the block is directed tangentially to the path, and work is done to maintain its constant speed.",
      "C. The net force on the block is directed toward the center of the circle, and no work is done on the block by this net force.",
      "D. The net force on the block is zero, and work is done on the block to keep it moving in a line.",
      "E. The net force on the block is toward the center of the circle, and work is done by the net force to maintain the circular motion."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following statements correctly describes the net force acting on the block and the work done by this net force during the motion?",
    "problem_reserved_text": "Which of the following statements correctly describes the net force acting on the block and the work done by this net force during the motion?",
    "videos": [
      "./videos/Mechanics/3.mp4"
    ]
  },
  {
    "problem_id": "validation_48",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Biodegradation",
      "B. Community succession",
      "C. Genetic drift",
      "D. Migration of organism",
      "E. Species formation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What biological process is shown in the video?",
    "problem_reserved_text": "What biological process is shown in the video?",
    "videos": [
      "./videos/Biology/1.mp4"
    ]
  },
  {
    "problem_id": "validation_50",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Demographic segmentation targeting younger consumers",
      "B. Geographic segmentation focusing on local sellers",
      "C. Behavioral segmentation focusing on deal-seeking customers",
      "D. Mass marketing without segmentation",
      "E. Benefit segmentation emphasizing convenience"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following market segmentation strategies is not used in the video?",
    "problem_reserved_text": "Which of the following market segmentation strategies is not used in the video?",
    "videos": [
      "./videos/Management/0.mp4"
    ]
  },
  {
    "problem_id": "validation_52",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. recirculating-ball",
      "B. rack-and-pinion",
      "C. worm-and-roller",
      "D. planetary gear set",
      "E. A, B, and C"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What mechanical components are needed to achieve the actions in the video?",
    "problem_reserved_text": "What mechanical components are needed to achieve the actions in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/2.mp4"
    ]
  },
  {
    "problem_id": "validation_53",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. High-torque direct-drive electric motor",
      "B. Hydraulic power steering pump and piston assembly",
      "C. Pneumatic actuator with servo control system",
      "D. Mechanical rack-and-pinion steering mechanism",
      "E. Worm gear coupled with a sector gear"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video content, which of the following components is most critical for generating the torque feedback experienced by the user?",
    "problem_reserved_text": "Based on the video content, which of the following components is most critical for generating the torque feedback experienced by the user?",
    "videos": [
      "./videos/Mechanical_Engineering/2.mp4"
    ]
  },
  {
    "problem_id": "validation_54",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Open-loop control utilizing pre-defined torque outputs without feedback.",
      "B. Proportional-Integral-Derivative control (PID control) incorporating feedback from multiple sensors for torque, steering angle, and vehicle dynamics.",
      "C. On-off control (bang-bang control) toggling between maximum and zero torque outputs.",
      "D. Feedforward control relying entirely on predictive models without sensor feedback.",
      "E. Deadbeat control that aims for system response to reach the desired state in minimal steps without considering stability."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following control methods is most appropriate for the steering wheel's force-feedback system in the video?",
    "problem_reserved_text": "Which of the following control methods is most appropriate for the steering wheel's force-feedback system in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/2.mp4"
    ]
  },
  {
    "problem_id": "validation_56",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The second time the mobile phone activity was different, the electromagnetic waves emitted were of low power.",
      "B. The second time the mobile phone was placed in the barbed wire fence, the spread of electromagnetic waves was hindered.",
      "C. The second time, the mobile phone was further away from the measuring device, and the electromagnetic wave signal received by the measuring device was poor.",
      "D. The second measurement device was placed in a damp environment, blocking the reception of electromagnetic waves.",
      "E. The second measurement device was not reset to zero, resulting in an error."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Why is the electromagnetic wave intensity measured the second time weaker than the first time?",
    "problem_reserved_text": "Why is the electromagnetic wave intensity measured the second time weaker than the first time?",
    "videos": [
      "./videos/Electromagnetism/5.mp4"
    ]
  },
  {
    "problem_id": "validation_57",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The mesh size is much smaller than the wavelength of both the incoming and outgoing signals, so the cage blocks both equally, but the phone is more sensitive to incoming signals than the detector is to outgoing signals.",
      "B. The cage allows the higher frequency incoming signals to penetrate due to their shorter wavelengths while blocking the lower frequency outgoing signals emitted by the phone.",
      "C. The electromagnetic waves emitted by the phone are reflected back by the cage, causing interference patterns that reduce the signal outside, while incoming signals penetrate the mesh due to its geometric configuration.",
      "D. The wire mesh cage attenuates electromagnetic waves differently depending on their propagation direction; the phone's antenna can receive incoming signals through small apertures in the mesh.",
      "E. The phone uses a different frequency for receiving signals than for transmitting, and the cage selectively blocks the transmitting frequency but allows the receiving frequency to pass through."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains why the phone is still able to receive incoming calls?",
    "problem_reserved_text": "Which of the following best explains why the phone is still able to receive incoming calls?",
    "videos": [
      "./videos/Electromagnetism/5.mp4"
    ]
  },
  {
    "problem_id": "validation_58",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Atherosclerosis leading to myocardial infarction, managed by coronary stent implantation.",
      "B. Chronic hypertension causing intracerebral hemorrhage, managed by implantable blood pressure sensors for real-time monitoring.",
      "C. Hemophilia causing spontaneous bleeding, managed through recombinant clotting factor therapy.",
      "D. Sickle-cell disease causing vascular occlusions, managed by gene therapy to correct hemoglobin mutations.",
      "E. Deep vein thrombosis leading to pulmonary embolism, managed by developing anticoagulant drug delivery systems."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following pathophysiological mechanisms is most likely being demonstrated, and which biomedical engineering intervention could most effectively manage this condition?",
    "problem_reserved_text": "Which of the following pathophysiological mechanisms is most likely being demonstrated, and which biomedical engineering intervention could most effectively manage this condition?",
    "videos": [
      "./videos/Basic_Medicine/1.mp4"
    ]
  },
  {
    "problem_id": "validation_59",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Diphtheria toxin inhibiting elongation factor 2",
      "B. Tetanus toxin blocking inhibitory neurotransmitter release",
      "C. Pertussis toxin increasing cAMP in respiratory epithelial cells",
      "D. Shiga toxin inhibiting the 60S ribosomal subunit",
      "E. Exfoliative toxin causing desquamation of skin"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following bacterial virulence factors is primarily responsible for the symptoms observed?",
    "problem_reserved_text": "Which of the following bacterial virulence factors is primarily responsible for the symptoms observed?",
    "videos": [
      "./videos/Preventive_Medicine/0.mp4"
    ]
  },
  {
    "problem_id": "validation_60",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hepatitis A virus",
      "B. Hepatitis E virus",
      "C. Hepatitis B virus",
      "D. Leptospira interrogans",
      "E. Schistosoma haematobium"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Considering the environmental conditions shown in the video, which of the following pathogens is the most likely cause of this outbreak?",
    "problem_reserved_text": "Considering the environmental conditions shown in the video, which of the following pathogens is the most likely cause of this outbreak?",
    "videos": [
      "./videos/Preventive_Medicine/1.mp4"
    ]
  },
  {
    "problem_id": "validation_61",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Influenza virus",
      "B. HCV",
      "C. HAV",
      "D. HBV",
      "E. HIV"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following viruses is  transmitted by the method shown in the video?",
    "problem_reserved_text": "Which of the following viruses is  transmitted by the method shown in the video?",
    "videos": [
      "./videos/Preventive_Medicine/1.mp4"
    ]
  },
  {
    "problem_id": "validation_62",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ciprofloxacin",
      "B. Aspirin",
      "C. Metformin",
      "D. Pilocarpine",
      "E. Levothyroxine"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video>  Based on the video, which medication is most likely to cause lactic acidosis in this patient?",
    "problem_reserved_text": " Based on the video, which medication is most likely to cause lactic acidosis in this patient?",
    "videos": [
      "./videos/Pharmacy/1.mp4"
    ]
  },
  {
    "problem_id": "validation_64",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Decomposition reaction",
      "B. Single replacement reaction",
      "C. Double displacement reaction",
      "D. Precipitation reaction",
      "E. Acid-base neutralization reaction"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> If the solution in the video is silver nitrate solution, what is the most likely type of reaction that would occur in the test tube?",
    "problem_reserved_text": "If the solution in the video is silver nitrate solution, what is the most likely type of reaction that would occur in the test tube?",
    "videos": [
      "./videos/Chemistry/1.mp4"
    ]
  },
  {
    "problem_id": "validation_65",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Changes in the size of the hollow coil",
      "B. The conductivity of the hollow coil material changes",
      "C. Magnetic field coupling between the hollow coil and the solid coil",
      "D. Temperature changes in the solid coil",
      "E. The power supply to the speaker is unstable"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What is the reason for the change in volume of the speaker?",
    "problem_reserved_text": "What is the reason for the change in volume of the speaker?",
    "videos": [
      "./videos/Electromagnetism/6.mp4"
    ]
  },
  {
    "problem_id": "validation_66",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The induced current in the white ring opposes the change in the coil's magnetic field, increasing the coil's impedance, and decreasing the audio output volume.",
      "B. The white ring acts as a magnetic core, increasing the coil's inductance and allowing more current to flow from the audio player, thereby increasing the audio output volume.",
      "C. The insertion of the white ring creates a capacitive coupling that forms a resonant LC circuit with the coil, amplifying the audio output volume.",
      "D. The white ring decreases the coil's resistance when inserted, resulting in increased current from the audio player and a higher audio output volume.",
      "E. The observed decrease in audio output volume is due to an unrelated fluctuation in the audio player's output coinciding with the insertion of the white ring."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following best explains the phenomenon of decreasing audio output volume when a white ring is inserted into a copper coil?",
    "problem_reserved_text": "Which of the following best explains the phenomenon of decreasing audio output volume when a white ring is inserted into a copper coil?",
    "videos": [
      "./videos/Electromagnetism/6.mp4"
    ]
  },
  {
    "problem_id": "validation_67",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Inserting the white ring into the coil increases the coil's self-inductance, decreasing its impedance and causing more current to flow, which the audio player cannot sustain, thus reducing the output volume.",
      "B. The induced current in the white ring creates a magnetic field opposing the coil's magnetic field, effectively increasing the coil's impedance, and decreasing the audio output volume.",
      "C. The white ring forms a resonant LC circuit with the coil, causing resonance at certain frequencies that attenuate the audio signal, resulting in decreased output volume.",
      "D. Energy is transferred from the coil to the white ring through mutual inductance, with the ring dissipating energy as heat, thereby reducing the power available for audio output.",
      "E. Eddy currents induced in the white ring reinforce the coil's magnetic field, increasing back electromotive force (back EMF) in the coil, which reduces the current from the audio player and decreases the audio output volume."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following best explains the observed decrease in audio output volume?",
    "problem_reserved_text": "Which of the following best explains the observed decrease in audio output volume?",
    "videos": [
      "./videos/Electromagnetism/6.mp4"
    ]
  },
  {
    "problem_id": "validation_68",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Z_total = jω (L_1 + L_2)",
      "B. Z_total = jω L_1 + R_2",
      "C. Z_total = jω L_1 + (ω M)^2/R_2",
      "D. Z_total = jω L_1 - (ω M)^2/R_2",
      "E. Z_total = jω (L_1 - M^2/L_2)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following expressions best represents the new impedance Z_total seen by the audio player when the ring is inserted?",
    "problem_reserved_text": "Which of the following expressions best represents the new impedance Z_total seen by the audio player when the ring is inserted?",
    "videos": [
      "./videos/Electromagnetism/6.mp4"
    ]
  },
  {
    "problem_id": "validation_69",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Global Standardization Strategy",
      "B. Transnational Strategy",
      "C. Localization Strategy",
      "D. Multi-Domestic Strategy",
      "E. Export Strategy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video description, which of the following strategies is the company most likely adopting?",
    "problem_reserved_text": "Based on the video description, which of the following strategies is the company most likely adopting?",
    "videos": [
      "./videos/Management/1.mp4"
    ]
  },
  {
    "problem_id": "validation_70",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Renin-angiotensin system",
      "B. Hypothalamic-pituitary-thyroid axis",
      "C. Adrenaline and norepinephrine",
      "D. Melatonin secretion",
      "E. Sodium-potassium pump activity"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> When the phenomenon in the video occurs, which of the following options is the most important to adjust?",
    "problem_reserved_text": "When the phenomenon in the video occurs, which of the following options is the most important to adjust?",
    "videos": [
      "./videos/Clinical_Medicine/2.mp4"
    ]
  },
  {
    "problem_id": "validation_72",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Wooden strips and plastic rods with different electrical charges attract each other.",
      "B. The wooden stick and the plastic rod have the same electric charge and repel each other.",
      "C. The plastic rod is charged, but the wooden strip is uncharged. The plastic rod ionizes the air to make the wooden strip charged and creates a force interaction with the plastic rod.",
      "D. The wooden strips are charged, but the plastic rods are not. The molecules of the plastic rod are polarized and the wooden strips are subject to magnetic forces.",
      "E. The wooden stick is uncharged and the plastic rod is charged. The wood molecules are polarized and rotate due to uneven forces in the electric field."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Why does the wooden stick rotate with the plastic strip?",
    "problem_reserved_text": "Why does the wooden stick rotate with the plastic strip?",
    "videos": [
      "./videos/Electromagnetism/7.mp4"
    ]
  },
  {
    "problem_id": "validation_73",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The metal rod transfers electrons directly to the metal cap through conduction when brought near, charging the cap and causing the metal piece inside to move due to electrostatic attraction.",
      "B. Bringing the charged metal rod near the metal cap induces a redistribution of charges in the cap by electrostatic induction, causing the metal piece inside to deflect due to induced charges.",
      "C. Rubbing the fabric on the metal cap discharges any existing charge on the cap by grounding it, so the metal piece inside no longer responds to the external rod.",
      "D. Rubbing the fabric on the metal cap transfers additional electric charge to the cap so that when the charged rod is brought near, the interaction with the metal piece inside changes due to modified electric fields.",
      "E. The charged metal rod ionizes the air around the jar, and the resulting ions enter the jar and interact with the metal piece inside, causing it to move."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains the phenomenon in the video?",
    "problem_reserved_text": "Which of the following best explains the phenomenon in the video?",
    "videos": [
      "./videos/Electromagnetism/7.mp4"
    ]
  },
  {
    "problem_id": "validation_75",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. diversification",
      "B. vertical integration",
      "C. horizontal integration",
      "D. outsourcing",
      "E. speculation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> For the company shown in the video, what is one of the methods to handle associated risks?",
    "problem_reserved_text": "For the company shown in the video, what is one of the methods to handle associated risks?",
    "videos": [
      "./videos/Management/2.mp4"
    ]
  },
  {
    "problem_id": "validation_76",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Convergence",
      "B. Dilation",
      "C. Refraction",
      "D. Transduction",
      "E. Accommodation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of functions of the human eyes is shown in this video?",
    "problem_reserved_text": "What kind of functions of the human eyes is shown in this video?",
    "videos": [
      "./videos/Neurobiology/3.mp4"
    ]
  },
  {
    "problem_id": "validation_77",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Pupillary dilation, lens flattening, and divergence of the eyes",
      "B. Pupillary constriction, lens thickening, and convergence of the eyes",
      "C. Pupillary dilation, lens thickening, and convergence of the eyes",
      "D. Pupillary constriction, lens flattening, and divergence of the eyes",
      "E. Pupillary constriction, lens thickening, and divergence of the eyes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> The video demonstrates different stages of eye accommodation. Which combination of physiological responses correctly describes these adjustments?",
    "problem_reserved_text": "The video demonstrates different stages of eye accommodation. Which combination of physiological responses correctly describes these adjustments?",
    "videos": [
      "./videos/Neurobiology/3.mp4"
    ]
  },
  {
    "problem_id": "validation_78",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. As the call progresses, the power of the electromagnetic waves emitted by the mobile phone weakens.",
      "B. A medium that blocks the propagation of electromagnetic waves is added between the mobile phone and the measuring device.",
      "C. As the mobile phone gets farther and farther away from the measuring device, the intensity of the electromagnetic waves received by the measuring device weakens.",
      "D. When the mobile phone heats up, the power of the electromagnetic waves emitted by the mobile phone weakens.",
      "E. The movement of mobile phones causes the electromagnetic wave signals emitted by mobile phones to weaken."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Why do mobile phone electromagnetic wave signal strength measurements gradually weaken?",
    "problem_reserved_text": "Why do mobile phone electromagnetic wave signal strength measurements gradually weaken?",
    "videos": [
      "./videos/Electromagnetism/8.mp4"
    ]
  },
  {
    "problem_id": "validation_80",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. No relevant regulations",
      "B. If the video object has independent legal standing",
      "C. If the video is part of a sales demonstration",
      "D. No",
      "E. Yes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Can the object in a video become the subject matter of a contract governed by CISG?",
    "problem_reserved_text": "Can the object in a video become the subject matter of a contract governed by CISG?",
    "videos": [
      "./videos/Law/1.mp4"
    ]
  },
  {
    "problem_id": "validation_81",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The aluminum foil becomes charged when rubbed against the cloth, attracting the rod.",
      "B. The aluminum foil is charged, the rod is not, and they attract each other.",
      "C. The aluminum foil and the rod have different charges and they attract each other.",
      "D. The aluminum foil contains water and has surface tension when it comes into contact with the rod.",
      "E. The rod becomes charged when rubbed against the cloth, attracting the aluminum foil."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Why is aluminum foil attracted to the rod in the video?",
    "problem_reserved_text": "Why is aluminum foil attracted to the rod in the video?",
    "videos": [
      "./videos/Electromagnetism/9.mp4"
    ]
  },
  {
    "problem_id": "validation_83",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The organ is transplanted directly into the patient without any processing",
      "B. The organ is flushed with a biological solution and decellularized",
      "C. The organ is frozen and used directly",
      "D. The organ's elasticity is tested using a mechanical device",
      "E. The organ is sterilized with high-temperature treatment"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What are the processing steps performed on the organ before the surgery as shown in the video?",
    "problem_reserved_text": "What are the processing steps performed on the organ before the surgery as shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/0.mp4"
    ]
  },
  {
    "problem_id": "validation_85",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gaussian",
      "B. Uniform",
      "C. Periodical",
      "D. Lorentzian",
      "E. Poisson"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> According to the video, which distribution does the spectrum gradually obey?",
    "problem_reserved_text": "According to the video, which distribution does the spectrum gradually obey?",
    "videos": [
      "./videos/Electronics_and_Communication/1.mp4"
    ]
  },
  {
    "problem_id": "validation_86",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Shot Noise",
      "B. Flicker Noise (1/f Noise)",
      "C. Thermal Noise (Johnson-Nyquist Noise)",
      "D. Burst Noise",
      "E. Avalanche Noise"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video>  Considering the characteristics of various types of electrical noise, which type of noise is most likely the primary contributor to the fluctuations observed in the voltage measurements?",
    "problem_reserved_text": " Considering the characteristics of various types of electrical noise, which type of noise is most likely the primary contributor to the fluctuations observed in the voltage measurements?",
    "videos": [
      "./videos/Electronics_and_Communication/1.mp4"
    ]
  },
  {
    "problem_id": "validation_87",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The variance of the voltage readings has increased, causing the distribution to spread out.",
      "B. The mean voltage has shifted away from the bin's voltage range.",
      "C. The voltage readings are becoming more uniformly distributed over time.",
      "D. The measurement noise is decreasing, narrowing the distribution around the mean.",
      "E. The width of each bin decreases, resulting in a smaller percentage of readings in any single bin within a continuous normal distribution."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> According to the video, which of the following best explains the observed decrease in the percentage of readings within that bin?",
    "problem_reserved_text": "According to the video, which of the following best explains the observed decrease in the percentage of readings within that bin?",
    "videos": [
      "./videos/Electronics_and_Communication/1.mp4"
    ]
  },
  {
    "problem_id": "validation_90",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The laid carbon fiber bundles are approximately homogeneous",
      "B. Automated systems can detect defects in real time",
      "C. The two laying processes take approximately the same amount of time.",
      "D. Even speed at all times during production",
      "E. Direction can be changed"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following statements is not true about automated manufacturing techniques for carbon fiber tows?",
    "problem_reserved_text": "Which of the following statements is not true about automated manufacturing techniques for carbon fiber tows?",
    "videos": [
      "./videos/Materials_Science/2.mp4"
    ]
  },
  {
    "problem_id": "validation_91",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. It allows for precise control over the degree of polymerization of the resin matrix.",
      "B. It mitigates thermal stresses by evenly distributing heat during the curing process.",
      "C. It enhances the intrinsic strength of individual carbon fibers through proper tensioning.",
      "D. It ensures accurate fiber orientation and placement, reducing defects such as gaps and overlaps, thus improving structural performance.",
      "E. It enables real-time monitoring of chemical reactions within the resin to adjust processing parameters accordingly."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Considering advanced composite manufacturing techniques and the challenges associated with producing high-performance carbon fiber composites, which of the following is the primary advantage of using technology shown in the video in this context?",
    "problem_reserved_text": "Considering advanced composite manufacturing techniques and the challenges associated with producing high-performance carbon fiber composites, which of the following is the primary advantage of using technology shown in the video in this context?",
    "videos": [
      "./videos/Materials_Science/2.mp4"
    ]
  },
  {
    "problem_id": "validation_93",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 32g",
      "B. 40g",
      "C. 40amu",
      "D. 30amu",
      "E. 44amu"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What  is the formula mass of the generated gas ?",
    "problem_reserved_text": "What  is the formula mass of the generated gas ?",
    "videos": [
      "./videos/Chemistry/2.mp4"
    ]
  },
  {
    "problem_id": "validation_94",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Amoxicillin",
      "B. Diphenhydramine",
      "C. Metformin",
      "D. Lisinopril",
      "E. Sertraline"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What medicines can be used to relieve the symptoms of the diseases in the video?",
    "problem_reserved_text": "What medicines can be used to relieve the symptoms of the diseases in the video?",
    "videos": [
      "./videos/Pharmacy/2.mp4"
    ]
  },
  {
    "problem_id": "validation_96",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 5",
      "B. 4",
      "C. 6",
      "D. 3",
      "E. 2"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> To design an error-correcting code for a data word(the length is shown at the beginning of the video) that can detect and correct all single-bit errors, using the Hamming code, what is the minimum number of parity bits required?",
    "problem_reserved_text": "To design an error-correcting code for a data word(the length is shown at the beginning of the video) that can detect and correct all single-bit errors, using the Hamming code, what is the minimum number of parity bits required?",
    "videos": [
      "./videos/Electronics_and_Communication/2.mp4"
    ]
  },
  {
    "problem_id": "validation_98",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The algorithm remains stable because swapping identical elements does not affect their relative order.",
      "B. The algorithm becomes unstable because swapping elements immediately can change the relative order of duplicate elements.",
      "C. The algorithm remains stable because it only swaps elements when a new minimum is found.",
      "D. The algorithm becomes unstable only if there are more than two duplicate elements.",
      "E. The algorithm becomes stable because immediate swaps ensure duplicate elements remain adjacent."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> In the algorithm demonstrated in the video, suppose we are sorting an array of ‘n’ elements containing duplicate values. The algorithm swaps elements immediately when a new minimum is found during the inner loop, rather than waiting until the end of the pass through the unsorted portion of the array. Based on this swapping strategy, which of the following statements about the stability of the selection sort algorithm is correct?",
    "problem_reserved_text": "In the algorithm demonstrated in the video, suppose we are sorting an array of ‘n’ elements containing duplicate values. The algorithm swaps elements immediately when a new minimum is found during the inner loop, rather than waiting until the end of the pass through the unsorted portion of the array. Based on this swapping strategy, which of the following statements about the stability of the selection sort algorithm is correct?",
    "videos": [
      "./videos/Computer_Science/3.mp4"
    ]
  },
  {
    "problem_id": "validation_100",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The electrical energy of the capacitor is converted into light energy of the bulb.",
      "B. The electrical energy stored in the battery is converted into electrical energy in the capacitor and light energy and heat loss in the bulb.",
      "C. The electrical energy of the capacitor is converted into electrical energy of the battery.",
      "D. The electrical energy stored in the battery is converted into electrical energy and heat loss in the capacitor.",
      "E. The electrical energy of the capacitor is converted into electrical energy and heat loss of the battery."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How does the energy in the circuit in the video change?",
    "problem_reserved_text": "How does the energy in the circuit in the video change?",
    "videos": [
      "./videos/Electromagnetism/10.mp4"
    ]
  },
  {
    "problem_id": "validation_101",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. pure resistor circuit",
      "B. RC circuit",
      "C. RL circuit",
      "D. LC circuit",
      "E. RLC circuit"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following best explains the type of the circuit?",
    "problem_reserved_text": "Which of the following best explains the type of the circuit?",
    "videos": [
      "./videos/Electromagnetism/10.mp4"
    ]
  },
  {
    "problem_id": "validation_102",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The increased resistance causes the capacitor to charge faster, so the voltmeter reading increases more rapidly.",
      "B. The increased resistance causes the capacitor to charge more slowly initially, but the final voltage reached is higher.",
      "C. The increased resistance has no effect on the charging process or the voltmeter readings since the battery voltage is constant.",
      "D. The increased resistance causes the capacitor to charge more slowly, so the voltmeter reading increases more slowly.",
      "E. The increased resistance causes the capacitor to discharge, causing the voltmeter reading to decrease over time."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains the effect of increasing resistance in the circuit on the voltmeter readings over time?",
    "problem_reserved_text": "Which of the following best explains the effect of increasing resistance in the circuit on the voltmeter readings over time?",
    "videos": [
      "./videos/Electromagnetism/10.mp4"
    ]
  },
  {
    "problem_id": "validation_103",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The aluminum cylinder acts as a capacitor that charges over time when the switch is closed, causing the voltmeter reading.",
      "B. The aluminum cylinder acts as an inductor, inducing a rising voltage due to the increasing current when the switch is closed.",
      "C. The light bulb's resistance decreases as it heats up, allowing more current to flow and increasing the voltage reading over time.",
      "D. The voltmeter reads an increasing voltage due to a time-dependent magnetic field created by the circuit when the switch is closed.",
      "E. The fluctuation in the voltmeter reading is caused by the exponential decay of voltage across a discharging capacitor when the switch is closed."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following statements best explains why the voltmeter reading rises steadily?",
    "problem_reserved_text": "Which of the following statements best explains why the voltmeter reading rises steadily?",
    "videos": [
      "./videos/Electromagnetism/10.mp4"
    ]
  },
  {
    "problem_id": "validation_106",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Legality",
      "B. Acceptance",
      "C. Offer",
      "D. Contractual Capacity",
      "E. Consideration"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> If the scenario shown in the video is treated as a transactional scenario, the parties cannot be considered to have reached an agreement, because what condition is missing?",
    "problem_reserved_text": "If the scenario shown in the video is treated as a transactional scenario, the parties cannot be considered to have reached an agreement, because what condition is missing?",
    "videos": [
      "./videos/Law/2.mp4"
    ]
  },
  {
    "problem_id": "validation_107",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. lakeside",
      "B. seaside",
      "C. country",
      "D. city",
      "E. forest"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is the setting of the video?",
    "problem_reserved_text": "What is the setting of the video?",
    "videos": [
      "./videos/Literature/1.mp4"
    ]
  },
  {
    "problem_id": "validation_108",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. *\"Sonnet 18\"* by William Shakespeare",
      "B. *\"Ozymandias\"* by Percy Bysshe Shelley",
      "C. *\"The Waste Land\"* by T.S. Eliot",
      "D. *\"Dover Beach\"* by Matthew Arnold",
      "E. *\"The Road Not Taken\"* by Robert Frost"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the description of the video, which of the following poems does the setting most closely resemble?",
    "problem_reserved_text": "Based on the description of the video, which of the following poems does the setting most closely resemble?",
    "videos": [
      "./videos/Literature/1.mp4"
    ]
  },
  {
    "problem_id": "validation_110",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The heat energy is converted into light energy of the lamp.",
      "B. The electrical energy is converted into light energy of the lamp.",
      "C. The light energy of the lamp is converted into kinetic energy.",
      "D. The light energy of the lamp is converted into heat energy.",
      "E. The light energy of the lamp is converted into electrical energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of energy changes appear in the video?",
    "problem_reserved_text": "What kind of energy changes appear in the video?",
    "videos": [
      "./videos/Electromagnetism/11.mp4"
    ]
  },
  {
    "problem_id": "validation_111",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The heat from the lava lamp causes thermal excitation of the gas in the fluorescent bulb, leading to light emission.",
      "B. Visible light from the lava lamp induces fluorescence in the bulb's phosphor coating, causing it to emit light.",
      "C. Infrared radiation from the lava lamp heats the mercury vapor in the bulb, causing it to emit ultraviolet light.",
      "D. Electric fields from the alternating current in the lava lamp induce ionization of gas within the fluorescent bulb, resulting in light emission.",
      "E. Chemical vapors from the lava lamp enter the bulb and react with the gas inside to produce light."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains the phenomenon observed in the video?",
    "problem_reserved_text": "Which of the following best explains the phenomenon observed in the video?",
    "videos": [
      "./videos/Electromagnetism/11.mp4"
    ]
  },
  {
    "problem_id": "validation_112",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The lava lamp emits infrared radiation that is absorbed by the fluorescent bulb's gas, causing direct excitation and then light emission.",
      "B. The heat from the lava lamp raises the temperature of the fluorescent bulb, causing thermal ionization of the gas inside.",
      "C. Electromagnetic waves from the lava lamp's AC supply cause the fluorescent bulb's phosphor coating to fluoresce, emitting light.",
      "D. Ultraviolet light from the lava lamp excites the phosphor coating of the fluorescent bulb, causing it to emit light.",
      "E. Time-varying magnetic fields in the lava lamp induce an electric field in the bulb, resulting in ionization of the gas and then light emission."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following best explains the underlying phenomenon causing the observed effect?",
    "problem_reserved_text": "Which of the following best explains the underlying phenomenon causing the observed effect?",
    "videos": [
      "./videos/Electromagnetism/11.mp4"
    ]
  },
  {
    "problem_id": "validation_114",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. breadth first search",
      "B. sequential search",
      "C. post-order traversal",
      "D. heuristic search",
      "E. hash search"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What kind of algorithm is used in the video?",
    "problem_reserved_text": "What kind of algorithm is used in the video?",
    "videos": [
      "./videos/Computer_Science/4.mp4"
    ]
  },
  {
    "problem_id": "validation_115",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Level-order traversal (Breadth-first traversal); nodes are visited level by level from top to bottom.",
      "B. Pre-order traversal; nodes are visited in root-left-right order.",
      "C. In-order traversal; nodes are visited in left-root-right order, resulting in sorted order.",
      "D. Post-order traversal; nodes are visited in left-right-root order.",
      "E. Reverse level-order traversal; nodes are visited level by level from bottom to top."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which traversal algorithm is being demonstrated in the video, and what characteristic of this traversal order does it highlight?",
    "problem_reserved_text": "Which traversal algorithm is being demonstrated in the video, and what characteristic of this traversal order does it highlight?",
    "videos": [
      "./videos/Computer_Science/4.mp4"
    ]
  },
  {
    "problem_id": "validation_118",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. They must bear the responsibility in any circumstances.",
      "B. Only in situations of economic hardship",
      "C. Only if both parties agree",
      "D. They can transfer their obligations to another party",
      "E. No"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> If the situation in the video causes one party's obligations not to be performed as agreed in the contract, does the party need to bear the responsibility?",
    "problem_reserved_text": "If the situation in the video causes one party's obligations not to be performed as agreed in the contract, does the party need to bear the responsibility?",
    "videos": [
      "./videos/Law/3.mp4"
    ]
  },
  {
    "problem_id": "validation_119",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The Wagner Act of 1935.",
      "B. The Norris-LaGuardia Act of 1932.",
      "C. The Taft-Hartley Act of 1947.",
      "D. The Fair Labor Standards Act of 1938.",
      "E. The Clayton Antitrust Act of 1914."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the events depicted in the video, which of the following legal acts grants the ability to request federal injunctions against specific activities shown?",
    "problem_reserved_text": "Based on the events depicted in the video, which of the following legal acts grants the ability to request federal injunctions against specific activities shown?",
    "videos": [
      "./videos/Law/3.mp4"
    ]
  },
  {
    "problem_id": "validation_120",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Under the Norris-LaGuardia Act of 1932, federal courts are prohibited from issuing injunctions in cases involving labor disputes, so the employer cannot seek an injunction.",
      "B. Under the Wagner Act (National Labor Relations Act) of 1935, the employer can file an unfair labor practice charge with the National Labor Relations Board to enjoin the strike.",
      "C. Under the Taft-Hartley Act of 1947, the President can seek an 80-day cooling-off injunction to halt the strike if it imperils national health or safety.",
      "D. Under the Clayton Antitrust Act of 1914, the employer can seek an injunction because the strike constitutes an illegal restraint of trade.",
      "E. Under the Taft-Hartley Act of 1947, the employer can sue the union in federal court for breach of the collective bargaining agreement, and a court can issue an injunction if the strike violates a binding arbitration clause."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following legal avenues allows the employer to seek such an injunction in federal court against the activity shown in the video, and under what conditions is such an injunction permissible under U.S. federal labor law, given historical precedent?",
    "problem_reserved_text": "Which of the following legal avenues allows the employer to seek such an injunction in federal court against the activity shown in the video, and under what conditions is such an injunction permissible under U.S. federal labor law, given historical precedent?",
    "videos": [
      "./videos/Law/3.mp4"
    ]
  },
  {
    "problem_id": "validation_123",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The changing magnetic field induces an electromotive force in the filament, increasing the current and causing mechanical motion.",
      "B. The filament is made of a ferromagnetic material and is attracted to the magnet due to magnetic attraction.",
      "C. The magnetic field from the magnet induces eddy currents in the filament, leading to heating and deformation.",
      "D. The moving charges in the filament experience a Lorentz force due to the external magnetic field, causing the filament to move.",
      "E. The electrons in the filament are accelerated by an external electric field, and as they interact with the magnetic field, they experience a force that causes the filament to move."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains the filament's movement?",
    "problem_reserved_text": "Which of the following best explains the filament's movement?",
    "videos": [
      "./videos/Electromagnetism/12.mp4"
    ]
  },
  {
    "problem_id": "validation_125",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. ripping",
      "B. digging",
      "C. hydraulic hammering",
      "D. blasting",
      "E. drilling"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which excavation method is shown in the video?",
    "problem_reserved_text": "Which excavation method is shown in the video?",
    "videos": [
      "./videos/Civil_Engineering/1.mp4"
    ]
  },
  {
    "problem_id": "validation_126",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Installation of rock bolts and wire mesh reinforcement",
      "B. Controlled blasting to remove loose and unstable rock",
      "C. Construction of a reinforced concrete retaining wall at the base of the slope",
      "D. Application of shotcrete (sprayed concrete) to stabilize the rock face",
      "E. Bioengineering methods such as planting vegetation to hold the soil"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video description, which rockfall mitigation technique is being used to address the unstable slope and protect the roadway below?",
    "problem_reserved_text": "Based on the video description, which rockfall mitigation technique is being used to address the unstable slope and protect the roadway below?",
    "videos": [
      "./videos/Civil_Engineering/1.mp4"
    ]
  },
  {
    "problem_id": "validation_128",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Not affected",
      "B. Stop flow",
      "C. Flow slower",
      "D. Flow faster",
      "E. Flow to the opposite direction"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Considering this video shows an action potential of a neuron, If tetrodotoxin is applied to the neuron in this video, what will happen to the blue ion?",
    "problem_reserved_text": "Considering this video shows an action potential of a neuron, If tetrodotoxin is applied to the neuron in this video, what will happen to the blue ion?",
    "videos": [
      "./videos/Neurobiology/5.mp4"
    ]
  },
  {
    "problem_id": "validation_129",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The initiation of the action potential would be prevented due to lack of depolarization.",
      "B. The neuron would hyperpolarize immediately after the action potential.",
      "C. The frequency of action potentials generated would increase due to faster repolarization.",
      "D. Repolarization of the neuron after the action potential would be prolonged, leading to a longer action potential duration.",
      "E. Sodium ions would be unable to influx, preventing the rising phase of the action potential."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> In the context of the video showing ions moving across the neuronal membrane during an action potential, suppose a researcher applies a drug specifically inhibiting the function of the yellow channel depicted in the video. Which of the following effects is most likely to be observed as a result of this inhibition?",
    "problem_reserved_text": "In the context of the video showing ions moving across the neuronal membrane during an action potential, suppose a researcher applies a drug specifically inhibiting the function of the yellow channel depicted in the video. Which of the following effects is most likely to be observed as a result of this inhibition?",
    "videos": [
      "./videos/Neurobiology/5.mp4"
    ]
  },
  {
    "problem_id": "validation_130",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The resting membrane potential would become more negative due to increased sodium permeability.",
      "B. The amplitude of the action potential peak would decrease due to reduced sodium influx.",
      "C. The repolarization phase of the action potential would be delayed, resulting in prolonged depolarization.",
      "D. The threshold for action potential initiation would be higher, making it harder to generate action potentials.",
      "E. The after-hyperpolarization phase would be more pronounced due to enhanced potassium efflux."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video depicting ion movement across a neuronal membrane during an action potential, suppose a genetic mutation causes blue channels in a neuron to inactivate more slowly than normal. Which of the following effects would most likely occur in the neuron's action potential as a result of this mutation?",
    "problem_reserved_text": "Based on the video depicting ion movement across a neuronal membrane during an action potential, suppose a genetic mutation causes blue channels in a neuron to inactivate more slowly than normal. Which of the following effects would most likely occur in the neuron's action potential as a result of this mutation?",
    "videos": [
      "./videos/Neurobiology/5.mp4"
    ]
  },
  {
    "problem_id": "validation_131",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. DNA recombination",
      "B. Western blot",
      "C. RNA migration",
      "D. Frameshift mutation",
      "E. Molecular markers"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of biotechnology is reflected in the video?",
    "problem_reserved_text": "What kind of biotechnology is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/1.mp4"
    ]
  },
  {
    "problem_id": "validation_132",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Atmospheric CO₂ levels decrease due to enhanced photosynthesis from increased phytoplankton growth in warm surface waters.",
      "B. Atmospheric CO₂ levels remain stable as oceanic CO₂ fluxes are balanced by terrestrial carbon uptake.",
      "C. Atmospheric CO₂ levels decrease due to increased carbon sequestration in deep ocean layers as warm water sinks.",
      "D. Atmospheric CO₂ levels increase due to reduced upwelling of nutrient-rich waters, leading to lower phytoplankton productivity and decreased CO₂ absorption.",
      "E. Atmospheric CO₂ levels fluctuate unpredictably due to complex interactions without a consistent pattern."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the environmental changes described in the video, which of the following is the most likely impact on atmospheric carbon dioxide (CO₂) levels during this period of environmental change?",
    "problem_reserved_text": "Based on the environmental changes described in the video, which of the following is the most likely impact on atmospheric carbon dioxide (CO₂) levels during this period of environmental change?",
    "videos": [
      "./videos/Biology/3.mp4"
    ]
  },
  {
    "problem_id": "validation_134",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Law of refraction",
      "B. Law of reflection",
      "C. Single slit interference",
      "D. Double slit interference",
      "E. Scattering phenomenon"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What does the video describe",
    "problem_reserved_text": "What does the video describe",
    "videos": [
      "./videos/Mechanics/4.mp4"
    ]
  },
  {
    "problem_id": "validation_136",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Law of Universal Gravitation",
      "B. Archimedes' Principle",
      "C. Pascal's Law",
      "D. Venturi's Law",
      "E. Boyle-Mariotte's Law"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What does the video describe?",
    "problem_reserved_text": "What does the video describe?",
    "videos": [
      "./videos/Mechanics/5.mp4"
    ]
  },
  {
    "problem_id": "validation_138",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Compression test",
      "B. Shear test",
      "C. Tensile test",
      "D. Bend test",
      "E. Torsion test"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What type of test is shown in the video?",
    "problem_reserved_text": "What type of test is shown in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_139",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The material has failed due to reaching its maximum shear stress, indicated by the necking near the center.",
      "B. The clamps on both sides rotate in the same direction, ensuring uniform shear distribution.",
      "C. The specimen is tested in a pure tension setup rather than torsion, as evidenced by elongation at the center.",
      "D. The deformation pattern suggests the material is undergoing ductile failure.",
      "E. The video shows a brittle fracture, as evidenced by the sharp edges forming at the center of the specimen."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following conclusions is correct regarding the test setup and material behavior?",
    "problem_reserved_text": "Which of the following conclusions is correct regarding the test setup and material behavior?",
    "videos": [
      "./videos/Mechanical_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_143",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. divide and conquer",
      "B. parallel",
      "C. dynamic programming",
      "D. greedy",
      "E. backtracking"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What kind of idea of algorithm is used in the video?",
    "problem_reserved_text": "What kind of idea of algorithm is used in the video?",
    "videos": [
      "./videos/Computer_Science/6.mp4"
    ]
  },
  {
    "problem_id": "validation_144",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The algorithm has a time complexity of O(n) because it reduces the problem size by one in each recursive call; using tail recursion can optimize its space complexity.",
      "B. The algorithm has a time complexity of O(log n) due to the binary nature of the recursion; implementing a binary search strategy can improve its efficiency.",
      "C. The algorithm has a time complexity of O(2ⁿ) because it recalculates identical subproblems repeatedly; applying memoization can significantly enhance its performance.",
      "D. The algorithm has a time complexity of O(n²) as it involves a nested recursive structure; employing a divide-and-conquer approach can optimize it.",
      "E. The algorithm's efficiency is limited by the depth of recursion, which is linear; converting the recursion to iteration using a loop can improve its time complexity."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Without any optimization techniques applied, which of the following statements best describes the time complexity of this algorithm and suggests an appropriate method to improve its efficiency?",
    "problem_reserved_text": "Without any optimization techniques applied, which of the following statements best describes the time complexity of this algorithm and suggests an appropriate method to improve its efficiency?",
    "videos": [
      "./videos/Computer_Science/6.mp4"
    ]
  },
  {
    "problem_id": "validation_145",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The number of function calls grows exponentially with `n`, corresponding to O(2^n); applying memoization converts the algorithm to linear time complexity O(n).",
      "B. The number of function calls grows linearly with `n`, corresponding to O(n); using an iterative approach maintains the same time complexity but reduces space complexity.",
      "C. The number of function calls grows logarithmically with `n`, corresponding to O(log n); employing divide-and-conquer techniques can optimize further.",
      "D. The number of function calls grows quadratically with `n`, corresponding to O(n^2); tail recursion can improve time efficiency.",
      "E. The number of function calls grows factorially with `n`, corresponding to O(n!); parallel processing can significantly reduce computation time."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following statements correctly describes the growth rate of the total number of function calls made during the computation without optimization, and identifies a method to improve the algorithm's efficiency to achieve linear time complexity?",
    "problem_reserved_text": "Which of the following statements correctly describes the growth rate of the total number of function calls made during the computation without optimization, and identifies a method to improve the algorithm's efficiency to achieve linear time complexity?",
    "videos": [
      "./videos/Computer_Science/6.mp4"
    ]
  },
  {
    "problem_id": "validation_146",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 6",
      "B. 5",
      "C. 2",
      "D. 3",
      "E. 4"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Using the method in the video, if the number to be converted is 16, what is the first digit in the middle of the video from left to right?",
    "problem_reserved_text": "Using the method in the video, if the number to be converted is 16, what is the first digit in the middle of the video from left to right?",
    "videos": [
      "./videos/Electrical_Engineering/2.mp4"
    ]
  },
  {
    "problem_id": "validation_147",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 1, 3",
      "B. 1, 2, 5",
      "C. 1, 4, 6, 7",
      "D. 2, 5, 7, 8",
      "E. 2, 3, 6"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Using the method demonstrated in the video, if the number to be processed is 150, which position in the video (from left to right) should be 1?",
    "problem_reserved_text": "Using the method demonstrated in the video, if the number to be processed is 150, which position in the video (from left to right) should be 1?",
    "videos": [
      "./videos/Electrical_Engineering/2.mp4"
    ]
  },
  {
    "problem_id": "validation_148",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 75",
      "B. 90",
      "C. 105",
      "D. 112",
      "E. 121"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Using the method demonstrated in the video, suppose you invert the bits of the binary representation after processing, obtaining a new binary number. Finally, using the same method, you convert this inverted binary number back into decimal. If the final decimal number is 150, what was the original decimal number N?",
    "problem_reserved_text": "Using the method demonstrated in the video, suppose you invert the bits of the binary representation after processing, obtaining a new binary number. Finally, using the same method, you convert this inverted binary number back into decimal. If the final decimal number is 150, what was the original decimal number N?",
    "videos": [
      "./videos/Electrical_Engineering/2.mp4"
    ]
  },
  {
    "problem_id": "validation_150",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Avoid using anesthetics with vasoconstrictors to prevent hypertensive crises",
      "B. Adjust anesthetic dosage due to impaired renal excretion",
      "C. Monitor for methemoglobinemia when using prilocaine",
      "D. Avoid ester-type anesthetics to prevent allergic reactions",
      "E. Acoid amide-type anesthetics due to liver involvement"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the condition demonstrated in the video, which of the following considerations is most critical when selecting a local anaesthetic for this type of patient?",
    "problem_reserved_text": "Based on the condition demonstrated in the video, which of the following considerations is most critical when selecting a local anaesthetic for this type of patient?",
    "videos": [
      "./videos/Pharmacy/3.mp4"
    ]
  },
  {
    "problem_id": "validation_153",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bi-concave",
      "B. Bi-convex",
      "C. Unable to determine",
      "D. Cylindrical lens",
      "E. Planoconcave"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of lens is in the video?",
    "problem_reserved_text": "What kind of lens is in the video?",
    "videos": [
      "./videos/Modern_Physics/0.mp4"
    ]
  },
  {
    "problem_id": "validation_155",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Poisson",
      "B. Exponential",
      "C. Gaussian",
      "D. Periodical",
      "E. Binomial"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> According to the display on the spectrum analyzer, how is the modulated signal distributed?",
    "problem_reserved_text": "According to the display on the spectrum analyzer, how is the modulated signal distributed?",
    "videos": [
      "./videos/Electronics_and_Communication/4.mp4"
    ]
  },
  {
    "problem_id": "validation_156",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. remove guidewire",
      "B. secure the puncture site",
      "C. flush the catheter",
      "D. remove needle",
      "E. dilate vessel"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What's the next step in the video?",
    "problem_reserved_text": "What's the next step in the video?",
    "videos": [
      "./videos/Clinical_Medicine/4.mp4"
    ]
  },
  {
    "problem_id": "validation_158",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Users of this language will frequently use relative directions, like left and right, instead of absolute ones.",
      "B. Users of this language will find it difficult to learn new spatial concepts.",
      "C. Users of this language's spatial perception ability will be limited, and no directional description can be made.",
      "D. Users of this language will lose their way without a clear direction sign.",
      "E. Users of this language may form a stronger spatial perception of absolute directions ."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Watch the video, use Sapir-Whorf hypothesis to explain, and think about how this language system will affect the behavior pattern of language users.",
    "problem_reserved_text": "Watch the video, use Sapir-Whorf hypothesis to explain, and think about how this language system will affect the behavior pattern of language users.",
    "videos": [
      "./videos/Literature/2.mp4"
    ]
  },
  {
    "problem_id": "validation_159",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Users of this language rely primarily on relative spatial terms like 'left' and 'right', which limits their ability to navigate unfamiliar environments.",
      "B. The absence of specific spatial terminology in this language hinders users' ability to perceive and describe directions, leading to a limited spatial perception.",
      "C. The language's complex syntactic structures make it difficult for users to communicate spatial information efficiently.",
      "D. The language's use of absolute cardinal directions enhances users' spatial awareness and navigational abilities, enabling them to orient themselves precisely in any environment.",
      "E. Users of this language depend entirely on external directional signs for navigation due to the lack of inherent spatial terms in their language."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the video description and considering the Sapir-Whorf hypothesis about the influence of language on cognition and behavior, which of the following best explains how the language system depicted affects the behavior patterns of its users?",
    "problem_reserved_text": "Based on the video description and considering the Sapir-Whorf hypothesis about the influence of language on cognition and behavior, which of the following best explains how the language system depicted affects the behavior patterns of its users?",
    "videos": [
      "./videos/Literature/2.mp4"
    ]
  },
  {
    "problem_id": "validation_160",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The language relies on relative spatial terms like 'left' and 'right', limiting users' ability to navigate unfamiliar environments, similar to English speakers.",
      "B. The language lacks specific spatial terminology, hindering users' ability to perceive and describe directions, akin to certain Amazonian tribes with limited spatial vocabulary.",
      "C. The language's complex syntactic structures make it difficult to communicate spatial information efficiently, reflecting the polysynthetic nature of languages like Inuktitut.",
      "D. The language uses absolute cardinal directions in everyday communication, enhancing users' spatial awareness and navigation abilities, similar to the Guugu Yimithirr people of Australia.",
      "E. The language emphasizes temporal concepts over spatial ones, causing users to prioritize sequences of events rather than physical orientation, much like the Hopi language speakers."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the video description and your knowledge of linguistic relativity, which of the following statements best explains how the depicted language system influences cognitive abilities?",
    "problem_reserved_text": "Based on the video description and your knowledge of linguistic relativity, which of the following statements best explains how the depicted language system influences cognitive abilities?",
    "videos": [
      "./videos/Literature/2.mp4"
    ]
  },
  {
    "problem_id": "validation_165",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ampere Force",
      "B. Lorentz Force",
      "C. Electric Force",
      "D. Elastic Force",
      "E. Frictional Force"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> In the video, which of the following forces explains the observed phenomenon?",
    "problem_reserved_text": "In the video, which of the following forces explains the observed phenomenon?",
    "videos": [
      "./videos/Electromagnetism/13.mp4"
    ]
  },
  {
    "problem_id": "validation_166",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The electrons in the filament are accelerated by an external electric field, and as they interact with the magnetic field, they experience a force that causes the filament to bend and trace the 'W' shape.",
      "B. The electrons experience a Lorentz force directed out of the bulb towards the observer due to the magnetic field, causing the filament to curve and forming the 'W' shape.",
      "C. The magnetic field from the magnet induces a circular electric field around it, causing the electrons to move in circles and forming the 'W' shape.",
      "D. The localized heating causes convection currents in the gas inside the bulb, and these currents are deflected by the magnetic field, forming the 'W' shape.",
      "E. The magnet induces eddy currents in the filament, and the interaction between these currents and the magnetic field causes the bright spot to move in an 'W' pattern."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following best explains the observed phenomenon?",
    "problem_reserved_text": "Which of the following best explains the observed phenomenon?",
    "videos": [
      "./videos/Electromagnetism/13.mp4"
    ]
  },
  {
    "problem_id": "validation_167",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Exploratory Trials",
      "B. Phase I Clinical Trials",
      "C. Phase III Clinical Trials",
      "D. Phase II Clinical Trials",
      "E. Phase IV Clinical Trials"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which stage of drug clinical trials is shown in the video?",
    "problem_reserved_text": "Which stage of drug clinical trials is shown in the video?",
    "videos": [
      "./videos/Pharmacy/4.mp4"
    ]
  },
  {
    "problem_id": "validation_169",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Generator",
      "B. Thermometer",
      "C. Light bulb",
      "D. Hydraulic jack",
      "E. Speedometer"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following is another application of the principle in the video in life? ",
    "problem_reserved_text": "Which of the following is another application of the principle in the video in life? ",
    "videos": [
      "./videos/Mechanics/6.mp4"
    ]
  },
  {
    "problem_id": "validation_170",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A mechanical metronome",
      "B. A Segway personal transporter",
      "C. A fixed-gear bicycle",
      "D. A pendulum clock",
      "E. A manual car jack"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video, which of the following devices employs a similar mechanical principle to maintain balance and stability?",
    "problem_reserved_text": "Based on the video, which of the following devices employs a similar mechanical principle to maintain balance and stability?",
    "videos": [
      "./videos/Mechanics/6.mp4"
    ]
  },
  {
    "problem_id": "validation_171",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. An open-loop control system utilizing preset mechanical adjustments.",
      "B. A gyroscopic stabilization system based on conservation of angular momentum.",
      "C. A hydraulic system with fixed flow rates designed for average sea conditions.",
      "D. A mechanical counterweight system that balances the gangway using weights.",
      "E. An active closed-loop control system incorporating sensors, real-time data processing, and actuators to counteract vessel motion."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the video, which of the following types of control systems is most likely employed to achieve the motion compensation for the gangway?",
    "problem_reserved_text": "Based on the video, which of the following types of control systems is most likely employed to achieve the motion compensation for the gangway?",
    "videos": [
      "./videos/Mechanics/6.mp4"
    ]
  },
  {
    "problem_id": "validation_172",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 200",
      "B. 400",
      "C. 800",
      "D. 850",
      "E. 900"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> In a population of 1,000 individuals, what is the minimum number of people that need to be immunized to prevent an outbreak of this disease in video (achieve herd immunity)?",
    "problem_reserved_text": "In a population of 1,000 individuals, what is the minimum number of people that need to be immunized to prevent an outbreak of this disease in video (achieve herd immunity)?",
    "videos": [
      "./videos/Preventive_Medicine/2.mp4"
    ]
  },
  {
    "problem_id": "validation_173",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Thermal energy is converted into electrical energy.",
      "B. There is no energy conversion.",
      "C. Sound energy is converted into light energy.",
      "D. Sound energy is converted into electrical energy.",
      "E. Mechanical energy is converted into electrical energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of energy transformation occurs in the video?",
    "problem_reserved_text": "What kind of energy transformation occurs in the video?",
    "videos": [
      "./videos/Electromagnetism/14.mp4"
    ]
  },
  {
    "problem_id": "validation_174",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The magnetic field strength of the guitar pickups decreases rapidly over time after the strings are strummed, reducing the induced voltage.",
      "B. The oscilloscope's input impedance is too low, causing it to absorb energy from the pickups and leading to rapid signal decay.",
      "C. The induced current in the pickup coils creates a magnetic field that opposes the motion of the strings, causing electromagnetic damping and rapid signal decay.",
      "D. The electrical resistance of the pickup coils leads to significant thermal energy loss (Joule heating), causing rapid signal decay.",
      "E. Capacitive coupling between the strings and the oscilloscope causes the signal to attenuate quickly due to capacitive discharge."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains the primary reason for the rapid decay of the waveform observed on the oscilloscope?",
    "problem_reserved_text": "Which of the following best explains the primary reason for the rapid decay of the waveform observed on the oscilloscope?",
    "videos": [
      "./videos/Electromagnetism/14.mp4"
    ]
  },
  {
    "problem_id": "validation_175",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The oscilloscope's input capacitance forms a low-pass filter with the pickup, attenuating high-frequency signals and causing rapid signal decay.",
      "B. The low output impedance of the pickups prevents efficient energy transfer to the oscilloscope, resulting in rapid decay.",
      "C. The magnetic fields in the pickups collapse quickly after the strings are strummed, leading to a rapid decrease in induced voltage.",
      "D. The low input impedance of the oscilloscope loads the pickups, causing energy to dissipate quickly through the oscilloscope input, leading to rapid signal decay.",
      "E. The absence of amplification means the natural damping of the string vibrations is more apparent, causing rapid signal decay."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains why the signal decays more rapidly than it would if the guitar were connected to a typical guitar amplifier, compared to the setting in the video?",
    "problem_reserved_text": "Which of the following best explains why the signal decays more rapidly than it would if the guitar were connected to a typical guitar amplifier, compared to the setting in the video?",
    "videos": [
      "./videos/Electromagnetism/14.mp4"
    ]
  },
  {
    "problem_id": "validation_177",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Thermal convection. Heat is transferred from above to below.",
      "B. Thermal convection. Heat is transferred from below to above.",
      "C. Thermal radiation. Heat is transferred from above to below.",
      "D. Thermal radiation. Heat is transferred from below to above.",
      "E. Heat conduction. Heat is transferred from below to above."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is the heat transfer method in the video?",
    "problem_reserved_text": "What is the heat transfer method in the video?",
    "videos": [
      "./videos/Thermodynamics/1.mp4"
    ]
  },
  {
    "problem_id": "validation_181",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bigger",
      "B. Smaller first, then bigger",
      "C. Remains unchanged",
      "D. Bigger first, then smaller",
      "E. Smaller"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> When the operators rotate the knob, how does the polarization angle between two polarizing filter changes?",
    "problem_reserved_text": "When the operators rotate the knob, how does the polarization angle between two polarizing filter changes?",
    "videos": [
      "./videos/Modern_Physics/1.mp4"
    ]
  },
  {
    "problem_id": "validation_182",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Place the mobile phone in the wire mesh with a small gap.",
      "B. Keep the phone away from the measuring device.",
      "C. Replace the propagation medium.",
      "D. Place the phone in a wire mesh with the lid uncovered.",
      "E. Place the mobile phone in the wire mesh with large gaps."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which method was not used in the experiment to reduce the intensity of electromagnetic waves?",
    "problem_reserved_text": "Which method was not used in the experiment to reduce the intensity of electromagnetic waves?",
    "videos": [
      "./videos/Electrical_Engineering/4.mp4"
    ]
  },
  {
    "problem_id": "validation_183",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The last setting acts as a continuous conductive barrier that reflects and absorbs the electromagnetic waves, whereas the large gaps in the second and third setting allow the waves to pass through.",
      "B. The thickness of the the last setting is sufficient to block the electromagnetic waves due to the skin effect, whereas the second or third settings are insufficient.",
      "C. The frequency of the mobile phone's radiation cannot penetrate the continuous conductive surface of the last setting but can easily pass through the second or the third setting regardless of gap size.",
      "D. The cardboard box acts as a dielectric barrier enhancing the shielding effect of the last setting, while the second and the third one lack this dielectric enhancement.",
      "E. The last setting has inherent properties of absorbing electromagnetic waves due to its high conductivity, whereas the metal used in the second or third setting does not have such properties."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following best explains why the last used setting is more effective than the second and the third setting?",
    "problem_reserved_text": "Which of the following best explains why the last used setting is more effective than the second and the third setting?",
    "videos": [
      "./videos/Electrical_Engineering/4.mp4"
    ]
  },
  {
    "problem_id": "validation_184",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Afterimage Effect",
      "B. Autokinetic Effect",
      "C. Mueller-Lyer Illusion",
      "D. Phi Phenomenon",
      "E. Persistence of vision"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of phenomenon is showed in the video?",
    "problem_reserved_text": "What kind of phenomenon is showed in the video?",
    "videos": [
      "./videos/Art/1.mp4"
    ]
  },
  {
    "problem_id": "validation_185",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Surrealism",
      "B. Abstract Expressionism",
      "C. Kinetic Art",
      "D. Pop Art",
      "E. Futurism"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What art movement or style is most closely associated with those seen in the video?",
    "problem_reserved_text": "What art movement or style is most closely associated with those seen in the video?",
    "videos": [
      "./videos/Art/1.mp4"
    ]
  },
  {
    "problem_id": "validation_186",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Zoetrope",
      "B. Camera Obscura",
      "C. Daguerreotype",
      "D. Stereoscope",
      "E. Magic Lantern"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following historical inventions would they most likely identify as a direct predecessor employing a similar optical principle?",
    "problem_reserved_text": "Which of the following historical inventions would they most likely identify as a direct predecessor employing a similar optical principle?",
    "videos": [
      "./videos/Art/1.mp4"
    ]
  },
  {
    "problem_id": "validation_187",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. It is only a supporting role in economic development.",
      "B. It hinders market competition and leads to economic inefficiency.",
      "C. It is an important pillar of the economy, promoting industrial upgrading and employment.",
      "D. It primarily serves as a consumer base without impacting industrial growth.",
      "E. It solely focuses on technological innovation without influencing job creation."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best describes the role of the object shown in the video in the economy?",
    "problem_reserved_text": "Which of the following best describes the role of the object shown in the video in the economy?",
    "videos": [
      "./videos/Economics/2.mp4"
    ]
  },
  {
    "problem_id": "validation_188",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The dominance of conglomerates ensures economic stability; thus, maintaining current policies is crucial to prevent market volatility.",
      "B. The concentration reduces unemployment through conglomerate expansion; therefore, offering tax incentives to these conglomerates will sustain job growth.",
      "C. The economic power of conglomerates leads to increased technological innovation; as a result, increasing subsidies to these conglomerates will further boost innovation.",
      "D. The overwhelming dominance of conglomerates suppresses small and medium-sized enterprises (SMEs), limiting competition and innovation; hence, implementing antitrust regulations will promote a more balanced and competitive economy.",
      "E. The concentration of conglomerates increases export revenues; therefore, reducing export taxes on these conglomerates will enhance national income."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following describes a major economic concern arising from this situation, and what policy measure would most effectively address it?",
    "problem_reserved_text": "Which of the following describes a major economic concern arising from this situation, and what policy measure would most effectively address it?",
    "videos": [
      "./videos/Economics/2.mp4"
    ]
  },
  {
    "problem_id": "validation_191",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Basal ganglia",
      "B. Brain stem",
      "C. Spinal cord",
      "D. Thalamus",
      "E. Cerebellum"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which part of the central nervous system innervates the reflex in this video?",
    "problem_reserved_text": "Which part of the central nervous system innervates the reflex in this video?",
    "videos": [
      "./videos/Neurobiology/9.mp4"
    ]
  },
  {
    "problem_id": "validation_192",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 0 milliseconds",
      "B. 1 milliseconds",
      "C. 2 milliseconds",
      "D. 3 milliseconds",
      "E. 4 milliseconds"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> If the synaptic transmission delay of neural signals through chemical signaling at the synapse is 1 ms, what is the total synaptic delay for the reaction shown in the video?",
    "problem_reserved_text": "If the synaptic transmission delay of neural signals through chemical signaling at the synapse is 1 ms, what is the total synaptic delay for the reaction shown in the video?",
    "videos": [
      "./videos/Neurobiology/9.mp4"
    ]
  },
  {
    "problem_id": "validation_193",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Sectorization of Cells",
      "B. Power Control Mechanism",
      "C. Implementation of Pico Cells",
      "D. Carrier Aggregation Techniques",
      "E. Beamforming Technology"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the description in the video, in this type of environment, which technology is primarily used in cellular networks to maintain optimal performance and reduce interference caused by overlapping cells?",
    "problem_reserved_text": "Based on the description in the video, in this type of environment, which technology is primarily used in cellular networks to maintain optimal performance and reduce interference caused by overlapping cells?",
    "videos": [
      "./videos/Electronics_and_Communication/5.mp4"
    ]
  },
  {
    "problem_id": "validation_195",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Chemical energy is converted into electrical energy.",
      "B. Electrical energy is converted into light energy and heat energy.",
      "C. Light energy is converted into heat and electricity.",
      "D. Light energy is converted into heat energy.",
      "E. Light energy is converted into electrical energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of energy conversion process occurs in the video?",
    "problem_reserved_text": "What kind of energy conversion process occurs in the video?",
    "videos": [
      "./videos/Electromagnetism/15.mp4"
    ]
  },
  {
    "problem_id": "validation_196",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The right bulb has the highest luminous efficacy and is the most energy-efficient.",
      "B. The left bulb has the highest luminous efficacy and is the most energy-efficient.",
      "C. The middle bulb has the highest luminous efficacy and is the most energy-efficient.",
      "D. All bulbs have the same luminous efficacy since they have the same power rating.",
      "E. The middle bulb emits less light per watt than the right bulb."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which bulb has the highest luminous efficacy and is thus the most energy-efficient?",
    "problem_reserved_text": "Which bulb has the highest luminous efficacy and is thus the most energy-efficient?",
    "videos": [
      "./videos/Electromagnetism/15.mp4"
    ]
  },
  {
    "problem_id": "validation_199",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. conductive",
      "B. insoluble in oil",
      "C. silver-white solid",
      "D. flammable",
      "E. soft texture"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which physical property of the substance is not demonstrated in the video?",
    "problem_reserved_text": "Which physical property of the substance is not demonstrated in the video?",
    "videos": [
      "./videos/Chemistry/3.mp4"
    ]
  },
  {
    "problem_id": "validation_200",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Magnesium",
      "B. Sodium",
      "C. Copper",
      "D. Zinc",
      "E. Iron"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which metal is most likely being demonstrated in the reactions?",
    "problem_reserved_text": "Which metal is most likely being demonstrated in the reactions?",
    "videos": [
      "./videos/Chemistry/3.mp4"
    ]
  },
  {
    "problem_id": "validation_201",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Speed",
      "B. Temperature",
      "C. Position",
      "D. Mass",
      "E. Inertia"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> The physical variable shown in the video depends on which factor? ",
    "problem_reserved_text": "The physical variable shown in the video depends on which factor? ",
    "videos": [
      "./videos/Mechanics/7.mp4"
    ]
  },
  {
    "problem_id": "validation_202",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The density of the table tennis ball is small, and the atmospheric pressure gives the falling object force, so the table tennis ball accelerates more.",
      "B. There is a magnet underneath the metal tube, which repels the magnet block.",
      "C. The metal tube has its own magnetic field, and the magnet block is subject to upward magnetic force.",
      "D. During the movement of the magnet, the metal tube cuts the magnetic field lines to generate an induced magnetic field, and the magnet block experiences upward resistance.",
      "E. There is a magnet above the metal tube, which attracts each other to the magnet block and prevents the magnet from falling."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Why does a magnet fall slower than a ping pong ball?",
    "problem_reserved_text": "Why does a magnet fall slower than a ping pong ball?",
    "videos": [
      "./videos/Electrical_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_205",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The total electrical energy consumed increases, and the electrical energy is converted into heat energy and light energy.",
      "B. The total electrical energy consumed is reduced, and electrical energy is only converted into chemical energy.",
      "C. The total electrical energy consumed is reduced, and the electrical energy is converted into heat energy and light energy.",
      "D. The total electrical energy consumed increases and electrical energy is only converted into light energy.",
      "E. The total electrical energy consumed is reduced, and electrical energy is only converted into light energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What happens to the electrical energy when the light bulb dims?",
    "problem_reserved_text": "What happens to the electrical energy when the light bulb dims?",
    "videos": [
      "./videos/Electrical_Engineering/7.mp4"
    ]
  },
  {
    "problem_id": "validation_206",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Iron's high electrical resistivity increases the coil's resistance, reducing the current through the bulb.",
      "B. Iron's high magnetic permeability increases the coil's inductance, raising the inductive reactance and decreasing the circuit's current, thus dimming the bulb.",
      "C. Iron generates substantial eddy currents that oppose the applied magnetic field, increasing the circuit's impedance and dimming the bulb.",
      "D. Iron's ferromagnetic properties cause energy losses due to hysteresis, reducing the power available to the bulb.",
      "E. Iron decreases the coil's inductance by saturating the magnetic core, increasing current and dimming the bulb due to higher power consumption elsewhere."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> which of the following best explains why the light bulb dims most significantly when using the iron rod?",
    "problem_reserved_text": "which of the following best explains why the light bulb dims most significantly when using the iron rod?",
    "videos": [
      "./videos/Electrical_Engineering/7.mp4"
    ]
  },
  {
    "problem_id": "validation_209",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. tricuspid area",
      "B. Erb's point",
      "C. aortic area",
      "D. pulmonary area",
      "E. mitral area"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is included in the auscultation area in the video?",
    "problem_reserved_text": "What is included in the auscultation area in the video?",
    "videos": [
      "./videos/Clinical_Medicine/7.mp4"
    ]
  },
  {
    "problem_id": "validation_210",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Electrocardiography (ECG)",
      "B. Phonocardiography",
      "C. Echocardiography (Ultrasound)",
      "D. Cardiac Magnetic Resonance Imaging (MRI)",
      "E. Chest Radiography (X-ray)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video description, which of the following diagnostic modalities is the doctor most likely using to evaluate the patient's cardiac function?",
    "problem_reserved_text": "Based on the video description, which of the following diagnostic modalities is the doctor most likely using to evaluate the patient's cardiac function?",
    "videos": [
      "./videos/Clinical_Medicine/7.mp4"
    ]
  },
  {
    "problem_id": "validation_211",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ventricular septal defect causing left-to-right shunt",
      "B. Mitral regurgitation due to rheumatic heart disease",
      "C. Aortic stenosis due to age-related calcific changes",
      "D. Tricuspid regurgitation secondary to infective endocarditis",
      "E. Pulmonary stenosis causing right ventricular outflow obstruction"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> The doctor uses an electronic stethoscope to graphically display heart sounds and identifies a holosystolic (pansystolic) murmur. The best auscultation area corresponds to the region shown in the video. Which of the following is the most likely cause of this patient’s cardiac findings?",
    "problem_reserved_text": "The doctor uses an electronic stethoscope to graphically display heart sounds and identifies a holosystolic (pansystolic) murmur. The best auscultation area corresponds to the region shown in the video. Which of the following is the most likely cause of this patient’s cardiac findings?",
    "videos": [
      "./videos/Clinical_Medicine/7.mp4"
    ]
  },
  {
    "problem_id": "validation_213",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Earth's revolution",
      "B. Earth's Atmospheric circulation",
      "C. Earth's Movement of crustal plates",
      "D. Earth's rotation",
      "E. Earth's gravity"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What phenomenon is reflected in the video? ",
    "problem_reserved_text": "What phenomenon is reflected in the video? ",
    "videos": [
      "./videos/Geography/3.mp4"
    ]
  },
  {
    "problem_id": "validation_214",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Fe",
      "B. K",
      "C. Ag",
      "D. Li",
      "E. Na"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What metal is most likely in the video?",
    "problem_reserved_text": "What metal is most likely in the video?",
    "videos": [
      "./videos/Chemistry/4.mp4"
    ]
  },
  {
    "problem_id": "validation_215",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The metal is iron, which reacts slowly with water to produce hydrogen gas; the pink liquid is an acid-base indicator showing acidity due to the formation of iron(III) ions.",
      "B. The metal is potassium, which reacts vigorously with water to produce potassium hydroxide and oxygen gas; the pink liquid is phenolphthalein indicating the formation of a basic solution.",
      "C. The metal is silver, which does not react with water; the pink liquid is a dye added to visualize convection currents in the water.",
      "D. The metal is lithium, which reacts moderately with water to produce lithium hydroxide and hydrogen gas; the pink liquid is phenolphthalein turning pink due to the basic solution formed.",
      "E. The metal is sodium, which reacts with water to produce sodium hydroxide and hydrogen gas; the pink liquid is phenolphthalein indicating the formation of a basic solution."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following best explains the chemical processes occurring and correctly identifies the substances involved?",
    "problem_reserved_text": "Which of the following best explains the chemical processes occurring and correctly identifies the substances involved?",
    "videos": [
      "./videos/Chemistry/4.mp4"
    ]
  },
  {
    "problem_id": "validation_216",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hydrogen gas is evolved; the solution becomes basic due to the formation of sodium hydroxide; the added solution at the end is phenolphthalein, which turns pink in basic solutions.",
      "B. Oxygen gas is evolved; the solution becomes acidic due to the formation of hydrochloric acid; the added solution at the end is methyl orange, which turns red in acidic solutions.",
      "C. Carbon dioxide gas is evolved; the solution remains neutral; the added solution at the end is phenolphthalein, which turns pink in basic solutions.",
      "D. Oxygen gas is evolved; the solution becomes acidic; the added solution is a litmus indicator that turns pink in acidic solutions.",
      "E. Hydrogen gas is evolved; the solution becomes basic due to the formation of potassium hydroxide; the pink solution is phenolphthalein, which turns pink in acidic solutions."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following correctly explains the reactions?",
    "problem_reserved_text": "Which of the following correctly explains the reactions?",
    "videos": [
      "./videos/Chemistry/4.mp4"
    ]
  },
  {
    "problem_id": "validation_217",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 92gm",
      "B. 276gm",
      "C. 112gm",
      "D. 230gm",
      "E. 138gm"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> How much buoyancy does the weight object experience?",
    "problem_reserved_text": "How much buoyancy does the weight object experience?",
    "videos": [
      "./videos/Mechanics/8.mp4"
    ]
  },
  {
    "problem_id": "validation_218",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 2.0 g/cm³",
      "B. 2.2 g/cm³",
      "C. 2.5 g/cm³",
      "D. 2.7 g/cm³",
      "E. 3.0 g/cm³"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the measurements from the demonstration video, what is the approximate density of the stone in grams per cubic centimeter (g/cm³)?",
    "problem_reserved_text": "Based on the measurements from the demonstration video, what is the approximate density of the stone in grams per cubic centimeter (g/cm³)?",
    "videos": [
      "./videos/Mechanics/8.mp4"
    ]
  },
  {
    "problem_id": "validation_222",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Multiple sclerosis",
      "B. Schizophrenia",
      "C. Amyotrophic lateral sclerosis",
      "D. Dementia",
      "E. Stroke"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which disease could disrupt the action potential conduction way shown in the left neuron in this video?",
    "problem_reserved_text": "Which disease could disrupt the action potential conduction way shown in the left neuron in this video?",
    "videos": [
      "./videos/Neurobiology/10.mp4"
    ]
  },
  {
    "problem_id": "validation_223",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Multiple sclerosis",
      "B. Guillain-Barré syndrome",
      "C. Myasthenia gravis",
      "D. Lambert-Eaton myasthenic syndrome",
      "E. Duchenne muscular dystrophy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following conditions involves damage to peripheral nerves, leading to impairment of the mechanism described in the video and resulting in worsening muscle weakness?",
    "problem_reserved_text": "Which of the following conditions involves damage to peripheral nerves, leading to impairment of the mechanism described in the video and resulting in worsening muscle weakness?",
    "videos": [
      "./videos/Neurobiology/10.mp4"
    ]
  },
  {
    "problem_id": "validation_226",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. There are electrons in the air between the sphere and the plastic strip, which attract or repel the two uncharged plastic rods and sphere.",
      "B. Under the influence of gravity, the plastic strips repeatedly vibrate around the spherical shell.",
      "C. The spherical shell generates a magnetic field, and the plastic rod is affected by magnetic force in the magnetic field.",
      "D. The plastic strip is charged, but the spherical shell is not. The two attract each other at first, and after contact, they have the same charge and repel each other.",
      "E. The spherical shell is charged, and the plastic strip is attracted to the spherical shell. When it comes into contact with the spherical shell, it carries the same charge and is repelled."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is the explanation between the motion of the two objects?",
    "problem_reserved_text": "What is the explanation between the motion of the two objects?",
    "videos": [
      "./videos/Electrical_Engineering/8.mp4"
    ]
  },
  {
    "problem_id": "validation_227",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Autoimmune destruction of pancreatic beta cells resulting in absolute insulin deficiency.",
      "B. Overproduction of insulin causing downregulation of insulin receptors on peripheral tissues.",
      "C. Impaired insulin secretion due to pancreatic beta-cell exhaustion without insulin resistance.",
      "D. Excessive glucose production by the liver due to increased glucagon secretion.",
      "E. Post-receptor defects in insulin signaling pathways causing insulin resistance in target cells."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the video, which of the following best describes the primary pathophysiological defect leading to the condition depicted?",
    "problem_reserved_text": "Based on the video, which of the following best describes the primary pathophysiological defect leading to the condition depicted?",
    "videos": [
      "./videos/Pharmacy/5.mp4"
    ]
  },
  {
    "problem_id": "validation_228",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Administer tetanus immune globulin and initiate the DTaP vaccination series.",
      "B. Begin the hepatitis B vaccination series immediately.",
      "C. Provide rabies post-exposure prophylaxis with vaccine and immunoglobulin.",
      "D. Administer the inactivated poliovirus vaccine to prevent polio infection.",
      "E. Provide measles, mumps, and rubella (MMR) vaccination promptly."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following preventive interventions is most critical to reduce the risk of a potentially fatal infection?",
    "problem_reserved_text": "Which of the following preventive interventions is most critical to reduce the risk of a potentially fatal infection?",
    "videos": [
      "./videos/Preventive_Medicine/3.mp4"
    ]
  },
  {
    "problem_id": "validation_232",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. O(n)",
      "B. O(logn)",
      "C. O(n^2)",
      "D. O(n^3)",
      "E. O(nlogn)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What is the worst case time complexity of this algorithm showed in the video?",
    "problem_reserved_text": "What is the worst case time complexity of this algorithm showed in the video?",
    "videos": [
      "./videos/Computer_Science/10.mp4"
    ]
  },
  {
    "problem_id": "validation_233",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Selection Sort",
      "B. Shell Sort",
      "C. Insertion Sort",
      "D. Heap Sort",
      "E. Quick Sort"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Suppose we have a large dataset that is already nearly sorted with only a few elements out of place. We want to choose a sorting algorithm that is: - **Stable** (preserves the relative order of equal elements), - Operates **in-place** without requiring significant additional memory, - Performs better than the demonstrated algorithm on nearly sorted data. Which of the following algorithms would best meet these requirements?",
    "problem_reserved_text": "Suppose we have a large dataset that is already nearly sorted with only a few elements out of place. We want to choose a sorting algorithm that is: - **Stable** (preserves the relative order of equal elements), - Operates **in-place** without requiring significant additional memory, - Performs better than the demonstrated algorithm on nearly sorted data. Which of the following algorithms would best meet these requirements?",
    "videos": [
      "./videos/Computer_Science/10.mp4"
    ]
  },
  {
    "problem_id": "validation_234",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. O(n)",
      "B. O(n log n)",
      "C. O(n^2)",
      "D. O(n^2 log n)",
      "E. O(n^3)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> After each comparison and potential swap, the entire array is re-rendered on the screen. If rendering the array of n bars takes O(n) time due to the drawing operation for each bar, which of the following best describes the overall time complexity of the visualization process, including both the sorting and rendering times, in terms of n?",
    "problem_reserved_text": "After each comparison and potential swap, the entire array is re-rendered on the screen. If rendering the array of n bars takes O(n) time due to the drawing operation for each bar, which of the following best describes the overall time complexity of the visualization process, including both the sorting and rendering times, in terms of n?",
    "videos": [
      "./videos/Computer_Science/10.mp4"
    ]
  },
  {
    "problem_id": "validation_238",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Amoxicillin",
      "B. Metformin",
      "C. Simvastatin",
      "D. Diphenhydramine",
      "E. Ibuprofen"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following medications can relieve the symptoms shown in the video?",
    "problem_reserved_text": "Which of the following medications can relieve the symptoms shown in the video?",
    "videos": [
      "./videos/Pharmacy/6.mp4"
    ]
  },
  {
    "problem_id": "validation_239",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Quinidine",
      "B. Lisinopril",
      "C. Atenolol",
      "D. Ciprofloxacin",
      "E. Aspirin"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following drugs can be used to treat the disease shown in the video?",
    "problem_reserved_text": "Which of the following drugs can be used to treat the disease shown in the video?",
    "videos": [
      "./videos/Pharmacy/7.mp4"
    ]
  },
  {
    "problem_id": "validation_241",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The tube on the left has grooves that create larger eddy currents than the tube on the right, and the magnetic field exerts a stronger force on the magnet.",
      "B. The ball on the right is a magnet but not the one on the left. The ball on the right is subject to magnetic force as resistance.",
      "C. The ball on the left is a magnet but not the one on the right. The ball on the left is powered by magnetism.",
      "D. The ball on the left is heavier and less affected by magnetism.",
      "E. The tube on the left has grooves, which creates smaller eddy currents than the tube on the right, and the magnetic field exerts a weaker force on the magnet."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following statements can explain the phenomenon in the video?",
    "problem_reserved_text": "Which of the following statements can explain the phenomenon in the video?",
    "videos": [
      "./videos/Electromagnetism/17.mp4"
    ]
  },
  {
    "problem_id": "validation_242",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. windmill",
      "B. electric motor",
      "C. hydraulic press",
      "D. steam turbine",
      "E. jet engines"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following devices has a working mode similar to the action in the video?",
    "problem_reserved_text": "Which of the following devices has a working mode similar to the action in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/7.mp4"
    ]
  },
  {
    "problem_id": "validation_243",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. To make transistors infinitely smaller",
      "B. To enhance interconnect bandwidth using photonics",
      "C. To let computers consume more power",
      "D. To evolve new paradigms for reliable computation with unreliable units",
      "E. To perform large-scale of computation locally"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What can be beyond this law based on the last few pictures in the video?",
    "problem_reserved_text": "What can be beyond this law based on the last few pictures in the video?",
    "videos": [
      "./videos/Electronics_and_Communication/6.mp4"
    ]
  },
  {
    "problem_id": "validation_245",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Horizon",
      "B. Meridian",
      "C. Equator",
      "D. Celestial Pole",
      "E. Ecliptic Plane"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What geophysical concept is demonstrated in the video?",
    "problem_reserved_text": "What geophysical concept is demonstrated in the video?",
    "videos": [
      "./videos/Geography/4.mp4"
    ]
  },
  {
    "problem_id": "validation_247",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The metal rod has a magnetic field, which affects the amount of current in the circuit.",
      "B. The metal rod inserted into the solenoid coil generates a magnetic field, which reduces the electromotive force of the power source and causes the current to become smaller.",
      "C. The metal rod causes the light bulb circuit to generate an induced electromotive force in the opposite direction, reducing the current in the circuit.",
      "D. The metal rod absorbs some of the electrical energy, leaving less energy available for the bulb to emit light.",
      "E. The magnetic permeability and inductance change when the metal rod is inserted into the solenoid coil, increasing the circuit's impedance and reducing the current."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following statements about the experiment in the video is true?",
    "problem_reserved_text": "Which of the following statements about the experiment in the video is true?",
    "videos": [
      "./videos/Electromagnetism/19.mp4"
    ]
  },
  {
    "problem_id": "validation_248",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The second rod significantly increases the inductance compared to the first rod, resulting in a lower voltage distribution to the bulb, so the bulb does not light up during the observation time.",
      "B. The first rod, being a good conductor, allows induced eddy currents that reduce the magnetic field inside the coil, decreasing inductance and allowing the bulb to light up quickly.",
      "C. The second rod acts as a magnetic insulator, preventing magnetic flux changes in the coil and thereby stopping current flow to the bulb.",
      "D. The first rod decreases the overall resistance R of the circuit, increasing the current and causing the bulb to light up.",
      "E. Inserting the first rod enhances the self-inductance of the coil, increasing the induced emf and lighting the bulb."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following explanations correctly accounts for the observations in the experiment?",
    "problem_reserved_text": "Which of the following explanations correctly accounts for the observations in the experiment?",
    "videos": [
      "./videos/Electromagnetism/19.mp4"
    ]
  },
  {
    "problem_id": "validation_249",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Astigmatism",
      "B. Cataract",
      "C. Color blindness",
      "D. Hyperopia",
      "E. Myopia"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which visual state is shown in the visual",
    "problem_reserved_text": "Which visual state is shown in the visual",
    "videos": [
      "./videos/Pharmacy/8.mp4"
    ]
  },
  {
    "problem_id": "validation_251",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Chronic gastritis",
      "B. Hiatal hernia",
      "C. Acute gastritis",
      "D. Esophageal candidiasis",
      "E. Barrett Esophagus"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What disease does the patient have?",
    "problem_reserved_text": "What disease does the patient have?",
    "videos": [
      "./videos/Basic_Medicine/3.mp4"
    ]
  },
  {
    "problem_id": "validation_252",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Precision and stability",
      "B. Linearity and sensitivity",
      "C. Accuracy and precision",
      "D. Accuracy and sensitivity",
      "E. Stability and resolution"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What measurement features are shown in the video? ",
    "problem_reserved_text": "What measurement features are shown in the video? ",
    "videos": [
      "./videos/Mechanics/9.mp4"
    ]
  },
  {
    "problem_id": "validation_253",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Inertia",
      "B. Acceleration",
      "C. Gravity",
      "D. Buoyancy",
      "E. Friction"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What physical quantity is the fundamental cause of the phenomenon in the video? ",
    "problem_reserved_text": "What physical quantity is the fundamental cause of the phenomenon in the video? ",
    "videos": [
      "./videos/Mechanics/10.mp4"
    ]
  },
  {
    "problem_id": "validation_256",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Concern for economic development",
      "B. Pay attention to traditional handicrafts",
      "C. Acceptance of foreign cultures",
      "D. A sense of belonging to local culture",
      "E. The yearning for urban life"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which aspect of development does this promote most directly?",
    "problem_reserved_text": "Which aspect of development does this promote most directly?",
    "videos": [
      "./videos/Geography/5.mp4"
    ]
  },
  {
    "problem_id": "validation_257",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The assimilation of foreign cultural elements into local traditions",
      "B. The impact of technological advancements on cultural practices",
      "C. The celebration and preservation of indigenous cultural heritage",
      "D. The influence of globalization on regional cultural landscapes",
      "E. The role of internal migration in shaping urban cultural festivals"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video, which of the following geographical themes is most directly exemplified by this event?",
    "problem_reserved_text": "Based on the video, which of the following geographical themes is most directly exemplified by this event?",
    "videos": [
      "./videos/Geography/5.mp4"
    ]
  },
  {
    "problem_id": "validation_258",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Move up first, then move down",
      "B. Move sideways",
      "C. Move down first, then move up",
      "D. Keep still",
      "E. Move down"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> How will the black dot on the paper move if the wood board moves close to the slide?",
    "problem_reserved_text": "How will the black dot on the paper move if the wood board moves close to the slide?",
    "videos": [
      "./videos/Mechanics/11.mp4"
    ]
  },
  {
    "problem_id": "validation_260",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Genome Editing",
      "B. Radiation therapy",
      "C. Chemotherapy",
      "D. Active immunization",
      "E. Stem cell therapy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of medical technology is reflected in the video?",
    "problem_reserved_text": "What kind of medical technology is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/2.mp4"
    ]
  },
  {
    "problem_id": "validation_263",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The plastic rod becomes charged when rubbed against the cloth, attracting the uncharged aluminum can.",
      "B. The aluminum can is charged, the plastic rod is uncharged, and they attract each other.",
      "C. The air is moist, and the water molecules in the air hold the aluminum can and the plastic rod together.",
      "D. There is water on the plastic rod, and when it comes into contact with the aluminum can, the surface tension of the water connects the two together.",
      "E. The plastic rod becomes charged when rubbed against the cloth, attracting the oppositely charged aluminum can."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Why are the two objects attracted to each other?",
    "problem_reserved_text": "Why are the two objects attracted to each other?",
    "videos": [
      "./videos/Electrical_Engineering/9.mp4"
    ]
  },
  {
    "problem_id": "validation_264",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Rubbing the straw more vigorously with the tissue.",
      "B. Replacing the plastic straw with a metal rod.",
      "C. Wrapping the aluminum can with insulating material.",
      "D. Grounding the aluminum can.",
      "E. Using a different material for the straw that has a lower tendency to gain electrons than plastic."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> To make the phenomenon in the video more noticeable, which of the following actions would be most effective?",
    "problem_reserved_text": "To make the phenomenon in the video more noticeable, which of the following actions would be most effective?",
    "videos": [
      "./videos/Electrical_Engineering/9.mp4"
    ]
  },
  {
    "problem_id": "validation_266",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bone grafting",
      "B. Hormone therapy",
      "C. Chemotherapy",
      "D. Photodynamic therapy",
      "E. Radiation therapy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What is the treatment used in the video?",
    "problem_reserved_text": "What is the treatment used in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/3.mp4"
    ]
  },
  {
    "problem_id": "validation_267",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The potential energy of the ball in the magnetic field is completely converted into the kinetic energy of the ball.",
      "B. The mechanical energy of the ball is converted into the potential energy of the ball in the magnetic field.",
      "C. The ball's gravitational potential energy is converted into thermal energy.",
      "D. The potential energy of the ball in the magnetic field is converted into kinetic energy and heat loss of the ball.",
      "E. The gravitational potential energy of the ball is converted into the potential energy of the ball in the magnetic field."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What energy transformation occurs in the video?",
    "problem_reserved_text": "What energy transformation occurs in the video?",
    "videos": [
      "./videos/Electrical_Engineering/10.mp4"
    ]
  },
  {
    "problem_id": "validation_268",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. NK cell",
      "B. macrophage",
      "C. neutrophil",
      "D. B cell",
      "E. mast cell"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> In healthy people, what kind of immune cells are activated primarily by the process shown in the video?",
    "problem_reserved_text": "In healthy people, what kind of immune cells are activated primarily by the process shown in the video?",
    "videos": [
      "./videos/Basic_Medicine/5.mp4"
    ]
  },
  {
    "problem_id": "validation_271",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Uniformly accelerated motion",
      "B. Uniformly deceleration motion",
      "C. Randomly changing acceleration motion",
      "D. Stand still",
      "E. Uniform motion"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What trends does the car show in the video? ",
    "problem_reserved_text": "What trends does the car show in the video? ",
    "videos": [
      "./videos/Mechanics/12.mp4"
    ]
  },
  {
    "problem_id": "validation_273",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Amoxicillin",
      "B. Fluoxetine",
      "C. Lisinopril",
      "D. Atorvastatin",
      "E. Albuterol"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following drugs would target the body system shown in the video?",
    "problem_reserved_text": "Which of the following drugs would target the body system shown in the video?",
    "videos": [
      "./videos/Dentistry/0.mp4"
    ]
  },
  {
    "problem_id": "validation_274",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hyperkalemia",
      "B. Hyperlipidemia",
      "C. Hypolipidemia",
      "D. Non-smoking",
      "E. Hypoglycemia"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is a major risk factor of the disease shown in the video?",
    "problem_reserved_text": "What is a major risk factor of the disease shown in the video?",
    "videos": [
      "./videos/Basic_Medicine/6.mp4"
    ]
  },
  {
    "problem_id": "validation_276",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 6",
      "B. 4",
      "C. 5",
      "D. 3",
      "E. 7"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> How many left-rotations are there in the video?",
    "problem_reserved_text": "How many left-rotations are there in the video?",
    "videos": [
      "./videos/Computer_Science/14.mp4"
    ]
  },
  {
    "problem_id": "validation_277",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The tree has a black height of 3, and there are red right links present.",
      "B. The tree has a black height of 5, with all red links connecting parent nodes to their right child.",
      "C. The tree has a black height of 4, and all red links connect parent nodes to their left child (left-leaning).",
      "D. The tree has a black height of 6, but red links violate the left-leaning property.",
      "E. The tree has a black height of 7, indicating it is unbalanced."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following statements correctly describes the properties of the final tree?",
    "problem_reserved_text": "Which of the following statements correctly describes the properties of the final tree?",
    "videos": [
      "./videos/Computer_Science/14.mp4"
    ]
  },
  {
    "problem_id": "validation_278",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. All internal nodes with exactly one child have that child as a left child connected via a red link.",
      "B. There exists at least one internal node with exactly one child connected via a black right link.",
      "C. The tree contains at least one path with two consecutive red links, violating red-black tree properties.",
      "D. The root node is red, and all other nodes are black.",
      "E. The tree is unbalanced due to improper rotations during insertion."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following statements is true regarding the color and structure of the nodes in the final tree?",
    "problem_reserved_text": "Which of the following statements is true regarding the color and structure of the nodes in the final tree?",
    "videos": [
      "./videos/Computer_Science/14.mp4"
    ]
  },
  {
    "problem_id": "validation_280",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. As the temperature decreases, the number of molecules increases.",
      "B. As the temperature decreases, the number of molecules decreases.",
      "C. As the temperature increases, the number of molecules remains unchanged.",
      "D. As the temperature decreases, the number of molecules remains unchanged.",
      "E. As the temperature increases, the number of molecules decreases."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What happened to the gas in the bottle?",
    "problem_reserved_text": "What happened to the gas in the bottle?",
    "videos": [
      "./videos/Thermodynamics/3.mp4"
    ]
  },
  {
    "problem_id": "validation_281",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Sildenafil",
      "B. Amoxicillin",
      "C. Lisinopril",
      "D. Metronidazole",
      "E. Almotriptan"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which medication can not be taken when the situation in the video appears?",
    "problem_reserved_text": "Which medication can not be taken when the situation in the video appears?",
    "videos": [
      "./videos/Pharmacy/10.mp4"
    ]
  },
  {
    "problem_id": "validation_282",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Xerostomia due to antidepressant medication use",
      "B. Dental fluorosis from excessive fluoride intake",
      "C. Amelogenesis imperfecta caused by genetic factors",
      "D. Oral candidiasis resulting from immunodeficiency",
      "E. Gingival enlargement induced by anticonvulsant therapy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following conditions is the girl in the video most at risk of developing?",
    "problem_reserved_text": "Which of the following conditions is the girl in the video most at risk of developing?",
    "videos": [
      "./videos/Dentistry/1.mp4"
    ]
  },
  {
    "problem_id": "validation_283",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Melting property",
      "B. Dissolution property",
      "C. Thermodynamic characteristics",
      "D. Extensional-thickening rheological properties",
      "E. Optical characteristics"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of properties are reflected in the video?",
    "problem_reserved_text": "What kind of properties are reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/4.mp4"
    ]
  },
  {
    "problem_id": "validation_284",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The red liquid contains high-molecular-weight polymers that resist flow under extensional stress; this property is useful in bioinks for 3D bioprinting that require structural stability during extrusion.",
      "B. The red liquid contains low-molecular-weight surfactants that reduce surface tension under stress; this is beneficial for formulations that require easy spreading, such as topical creams.",
      "C. The red liquid demonstrates Newtonian flow behavior, maintaining constant viscosity under stress; this is important for intravenous fluids to ensure consistent flow rates.",
      "D. The red liquid shows viscoelastic solid behavior, storing elastic energy; this is important for designing prosthetic materials that mimic soft tissue mechanics.",
      "E. The red liquid demonstrates thermal thickening, increasing viscosity with temperature; this helps in formulations of thermosensitive drug delivery systems."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following best explains this phenomenon, and how is this property relevant in biomedical engineering applications?",
    "problem_reserved_text": "Which of the following best explains this phenomenon, and how is this property relevant in biomedical engineering applications?",
    "videos": [
      "./videos/Biomedical_Engineering/4.mp4"
    ]
  },
  {
    "problem_id": "validation_285",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Fibrillar Collagen III",
      "B. Elastin",
      "C. Fibrillar Collagen I",
      "D. Fibronectin",
      "E. Basement Membrane Collagen IV"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following proteins is related to the demonstrated disease?",
    "problem_reserved_text": "Which of the following proteins is related to the demonstrated disease?",
    "videos": [
      "./videos/Basic_Medicine/7.mp4"
    ]
  },
  {
    "problem_id": "validation_286",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hepatocellular carcinoma",
      "B. Pancreatic adenocarcinoma",
      "C. Colorectal carcinoma",
      "D. Gastric carcinoma",
      "E. Cholangiocarcinoma"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> The disease shown in the chronic infection video increases the risk of which of the following malignancies?",
    "problem_reserved_text": "The disease shown in the chronic infection video increases the risk of which of the following malignancies?",
    "videos": [
      "./videos/Preventive_Medicine/4.mp4"
    ]
  },
  {
    "problem_id": "validation_288",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Its primary applications have shifted to other industries",
      "B. It has only affected hardware development, not software",
      "C. It's already been outdated and dead",
      "D. It has greatly promoted the development of communication technology",
      "E. It will continue to develop as originally envisioned"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following is true about this law related in this video?",
    "problem_reserved_text": "Which of the following is true about this law related in this video?",
    "videos": [
      "./videos/Electronics_and_Communication/7.mp4"
    ]
  },
  {
    "problem_id": "validation_289",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The observed transistor counts from 1977 to 1987 align closely with Moore's Law, as the transistor count approximately doubled every two years.",
      "B. The transistor counts increased at a rate faster than predicted by Moore's Law, doubling approximately every year.",
      "C. The transistor counts increased at a slower rate than predicted by Moore's Law, doubling approximately every three years.",
      "D. The transistor counts did not show a consistent trend during 1977 to 1987 and do not align with Moore's Law.",
      "E. The transistor counts remained relatively constant from 1977 to 1987."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video, and considering Moore's Law, which of the following statements is most accurate?",
    "problem_reserved_text": "Based on the video, and considering Moore's Law, which of the following statements is most accurate?",
    "videos": [
      "./videos/Electronics_and_Communication/7.mp4"
    ]
  },
  {
    "problem_id": "validation_292",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Vacuum",
      "B. Mould",
      "C. Heat sink",
      "D. Pressure",
      "E. Heating"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the conditions required for the composite molding process does not include?",
    "problem_reserved_text": "Which of the conditions required for the composite molding process does not include?",
    "videos": [
      "./videos/Materials_Science/4.mp4"
    ]
  },
  {
    "problem_id": "validation_293",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Groundwater contamination from leachate; install a leachate collection and treatment system.",
      "B. Methane gas accumulation leading to explosion risks; implement gas extraction and flaring systems.",
      "C. Air pollution from open burning of waste; prohibit open burning and enhance waste management practices.",
      "D. Soil erosion due to improper waste piling; stabilize landfill slopes and implement erosion control measures.",
      "E. Spread of vector-borne diseases from pests; initiate comprehensive pest control programs."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the situation in the video, which of the following environmental hazards poses the most immediate risk and what is the most appropriate intervention?",
    "problem_reserved_text": "Based on the situation in the video, which of the following environmental hazards poses the most immediate risk and what is the most appropriate intervention?",
    "videos": [
      "./videos/Civil_Engineering/4.mp4"
    ]
  },
  {
    "problem_id": "validation_294",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. recycling",
      "B. biodegradation",
      "C. using chemicals",
      "D. composting",
      "E. incineration"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What are the main methods of handling solid waste in the video?",
    "problem_reserved_text": "What are the main methods of handling solid waste in the video?",
    "videos": [
      "./videos/Civil_Engineering/4.mp4"
    ]
  },
  {
    "problem_id": "validation_295",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Soil erosion on the slopes; implement erosion control measures and stabilize slopes.",
      "B. Groundwater contamination from leachate infiltration; design and install a landfill liner and leachate collection system.",
      "C. Spread of diseases due to pests attracted by waste; initiate comprehensive pest control programs.",
      "D. Loss of biodiversity in the surrounding hills; develop and implement ecological restoration plans.",
      "E. Increased risk of landslides; improve compaction practices."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video presentation, which of the following long-term environmental risks is the most significant? What are the most appropriate actions to take?",
    "problem_reserved_text": "Based on the video presentation, which of the following long-term environmental risks is the most significant? What are the most appropriate actions to take?",
    "videos": [
      "./videos/Civil_Engineering/4.mp4"
    ]
  },
  {
    "problem_id": "validation_297",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Installing horizontal drainage systems to reduce groundwater pressure within the slope.",
      "B. Regrading the slope to a gentler angle by removing material from the upper sections.",
      "C. Securing the cliff face with rock bolts and covering it with wire mesh to stabilize loose rocks.",
      "D. Planting deep-rooted vegetation on the cliff face to reinforce the slope with root systems.",
      "E. Diverting the road away from the cliff by constructing a tunnel through the mountain."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following interventions would be best suited to prevent future events such as those shown in the video from occurring in the future?",
    "problem_reserved_text": "Which of the following interventions would be best suited to prevent future events such as those shown in the video from occurring in the future?",
    "videos": [
      "./videos/Civil_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_298",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. temperature",
      "B. water",
      "C. dynamite",
      "D. human activity",
      "E. gravity"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is the main reason for the phenomenon in the video?",
    "problem_reserved_text": "What is the main reason for the phenomenon in the video?",
    "videos": [
      "./videos/Civil_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_299",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Freeze-thaw weathering causing rock fractures; conduct a geological site investigation including rock mass characterization and discontinuity surveys.",
      "B. Excess groundwater pressure weakening the slope; install groundwater monitoring wells and perform hydrogeological modeling.",
      "C. Surface erosion due to rainfall runoff; carry out a hydrological study and implement surface drainage improvements.",
      "D. Loss of vegetative root reinforcement; analyze soil-vegetation interactions and reestablish vegetation cover.",
      "E. Anthropogenic activities like construction vibrations; conduct vibration monitoring and regulate nearby construction practices."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following is the most likely geological process that led to the video phenomenon, and what is the most appropriate method of engineering investigation to confirm this process and provide a basis for effective remedial design?",
    "problem_reserved_text": "Which of the following is the most likely geological process that led to the video phenomenon, and what is the most appropriate method of engineering investigation to confirm this process and provide a basis for effective remedial design?",
    "videos": [
      "./videos/Civil_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_301",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Huygen's principle",
      "B. Malus's law",
      "C. Doppler effect",
      "D. Rayleigh scattering",
      "E. Snell's law"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> The video shows which law of light?",
    "problem_reserved_text": "The video shows which law of light?",
    "videos": [
      "./videos/Modern_Physics/3.mp4"
    ]
  },
  {
    "problem_id": "validation_303",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Troublesome production process",
      "B. Non-magnetic properties",
      "C. Heat resistance",
      "D. Weighs slightly less than a coin",
      "E. With wovens"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which is the correct statement about self-created metal composites?",
    "problem_reserved_text": "Which is the correct statement about self-created metal composites?",
    "videos": [
      "./videos/Materials_Science/5.mp4"
    ]
  },
  {
    "problem_id": "validation_304",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Electroforming deposits metal atoms into the carbon fiber lattice, creating a new alloy with enhanced magnetic properties.",
      "B. The process causes the carbon fibers to realign, significantly increasing the thermal insulation of the composite.",
      "C. Electroforming builds up a thick layer of metal over the carbon fiber, greatly increasing the object's weight and density.",
      "D. The electroformed metal forms a conductive coating over the lightweight carbon fiber structure, combining electrical conductivity while maintaining a low overall weight.",
      "E. Electroforming embeds metal particles within the carbon fiber matrix, enhancing the mechanical strength without altering electrical properties."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> In the video, a lightweight composite object is created by electroforming metal onto a carbon fiber felt structure. Which of the following best explains how the electroforming process contributes to the unique properties of the final composite material?",
    "problem_reserved_text": "In the video, a lightweight composite object is created by electroforming metal onto a carbon fiber felt structure. Which of the following best explains how the electroforming process contributes to the unique properties of the final composite material?",
    "videos": [
      "./videos/Materials_Science/5.mp4"
    ]
  },
  {
    "problem_id": "validation_308",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Non-alcoholic fatty liver disease",
      "B. Viral hepatitis D",
      "C. Liver cirrhosis",
      "D. Alcoholic liver disease",
      "E. Drug-induced liver damage"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What process is shown in the video?",
    "problem_reserved_text": "What process is shown in the video?",
    "videos": [
      "./videos/Clinical_Medicine/12.mp4"
    ]
  },
  {
    "problem_id": "validation_309",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Wilson's disease",
      "B. Viral hepatitis B infection",
      "C. Alcoholic liver disease",
      "D. Hemochromatosis",
      "E. Steatohepatitis due to combined effects of alcohol consumption and metabolic syndrome"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the liver changes demonstrated in the video, along with the accompanying images showing the underlying causes, which condition is most likely the diagnostic result?",
    "problem_reserved_text": "Based on the liver changes demonstrated in the video, along with the accompanying images showing the underlying causes, which condition is most likely the diagnostic result?",
    "videos": [
      "./videos/Clinical_Medicine/12.mp4"
    ]
  },
  {
    "problem_id": "validation_310",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 6 times increased risk",
      "B. 9 times increased risk",
      "C. 4.5 times increased risk",
      "D. 3 times increased risk",
      "E. 2 times increased risk"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> If the consumption of high-fat foods increases the risk by 1.5 times, alcohol consumption increases the risk by 2 times, and diabetes increases the risk by 3 times, assuming these factors are independent and have a multiplicative relationship, what is the overall increased risk for liver disease development shown in the video?",
    "problem_reserved_text": "If the consumption of high-fat foods increases the risk by 1.5 times, alcohol consumption increases the risk by 2 times, and diabetes increases the risk by 3 times, assuming these factors are independent and have a multiplicative relationship, what is the overall increased risk for liver disease development shown in the video?",
    "videos": [
      "./videos/Clinical_Medicine/12.mp4"
    ]
  },
  {
    "problem_id": "validation_312",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The external electric field around the aluminum sheet is changed during the second movement, which hinders the movement of the aluminum sheet.",
      "B. In the second experiment, the wind resistance was large and the aluminum sheet experienced greater resistance.",
      "C. The first movement of the aluminum sheet is assisted by magnets and moves faster.",
      "D. In the second experiment, the friction above the rope connecting the aluminum sheets was large and the rotation speed was slow.",
      "E. The second time the experimenter placed a magnet, and the magnetic force hindered the movement of the aluminum piece."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Why is the second movement time of the complete aluminum piece in the middle shorter than the first movement time?",
    "problem_reserved_text": "Why is the second movement time of the complete aluminum piece in the middle shorter than the first movement time?",
    "videos": [
      "./videos/Electromagnetism/20.mp4"
    ]
  },
  {
    "problem_id": "validation_314",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The mass of the last bead is less than the initial bead, and according to the law of conservation of momentum the speed of the last bead is faster.",
      "B. The potential energy of the bead in the magnet on the track decreases and is converted into kinetic energy to accelerate the bead.",
      "C. Electromagnetic induction generates a current that accelerates the beads along the track.",
      "D. Mechanical energy from a spring-loaded mechanism propels the beads forward.",
      "E. The electrical energy from the external power source is converted into kinetic energy to accelerate the beads."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the statements about the experiment in the video is true?",
    "problem_reserved_text": "Which of the statements about the experiment in the video is true?",
    "videos": [
      "./videos/Electrical_Engineering/11.mp4"
    ]
  },
  {
    "problem_id": "validation_315",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Uniform linear motion",
      "B. Uniform circular motion",
      "C. Accelerated linear motion",
      "D. Horizontal projectile motion",
      "E. Parabolic Motion"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following best explains the motion of the ball in the experiment?",
    "problem_reserved_text": "Which of the following best explains the motion of the ball in the experiment?",
    "videos": [
      "./videos/Mechanics/13.mp4"
    ]
  },
  {
    "problem_id": "validation_317",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Subsurface exploration in rocks",
      "B. Geophysical surveys",
      "C. Sampling in soils",
      "D. Cone penetration testing",
      "E. Hydrogeological testing"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which part of site exploration is shown in the video?",
    "problem_reserved_text": "Which part of site exploration is shown in the video?",
    "videos": [
      "./videos/Civil_Engineering/6.mp4"
    ]
  },
  {
    "problem_id": "validation_318",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Performing a Standard Penetration Test (SPT) to determine soil density",
      "B. Conducting a cone penetration test (CPT) to assess soil stratification",
      "C. Collecting soil samples to analyze texture and composition for soil classification",
      "D. Installing a piezometer to monitor groundwater levels",
      "E. Performing an infiltration test to evaluate soil permeability"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video description, which of the following best describes the primary purpose of the operation in the field?",
    "problem_reserved_text": "Based on the video description, which of the following best describes the primary purpose of the operation in the field?",
    "videos": [
      "./videos/Civil_Engineering/6.mp4"
    ]
  },
  {
    "problem_id": "validation_319",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. First one",
      "B. Second one",
      "C. Third one",
      "D. Two of the three",
      "E. All"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which move motion in the video shows elastic collision?",
    "problem_reserved_text": "Which move motion in the video shows elastic collision?",
    "videos": [
      "./videos/Mechanics/14.mp4"
    ]
  },
  {
    "problem_id": "validation_323",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Radar signal detection",
      "B. Optical fiber communication",
      "C. Satellite communication",
      "D. Navigation positioning",
      "E. Traffic signal indication"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> In the video clips, in which field was digital communication used? ",
    "problem_reserved_text": "In the video clips, in which field was digital communication used? ",
    "videos": [
      "./videos/Electronics_and_Communication/8.mp4"
    ]
  },
  {
    "problem_id": "validation_324",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The installation of early radar systems during World War II",
      "B. Guglielmo Marconi's transatlantic wireless communication experiments in the early 1900s",
      "C. The laying of the first transatlantic telegraph cable in the 1850s",
      "D. The development of microwave relay towers for telephone communication in the 1940s",
      "E. The deployment of early satellite communication ground stations in the 1960s"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the photos described, which significant historical development in the field of electronics and communication do these images most likely depict?",
    "problem_reserved_text": "Based on the photos described, which significant historical development in the field of electronics and communication do these images most likely depict?",
    "videos": [
      "./videos/Electronics_and_Communication/8.mp4"
    ]
  },
  {
    "problem_id": "validation_325",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The invention of the vacuum tube (thermionic valve) to amplify radio signals",
      "B. The utilization of frequency modulation (FM) to reduce signal noise over long distances",
      "C. The development of quartz crystal oscillators for precise frequency control",
      "D. The use of long-wavelength radio waves that propagate via ground waves",
      "E. The application of regenerative receivers to enhance signal detection sensitivity"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the footage shown in the video, which of the following technical principles is crucial to the success of this experiment?",
    "problem_reserved_text": "Based on the footage shown in the video, which of the following technical principles is crucial to the success of this experiment?",
    "videos": [
      "./videos/Electronics_and_Communication/8.mp4"
    ]
  },
  {
    "problem_id": "validation_326",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Reprogrammable controller",
      "B. Precision actuators",
      "C. Visual recognition",
      "D. Autonomous navigation system",
      "E. Advanced sensor fusion"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following technology is NOT needed to realize the scene in the video?",
    "problem_reserved_text": "Which of the following technology is NOT needed to realize the scene in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/13.mp4"
    ]
  },
  {
    "problem_id": "validation_327",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Implementation of open-loop control systems for simplicity in design.",
      "B. Utilization of hydraulic actuators to provide high force output.",
      "C. Incorporation of hardened steel components to enhance structural durability.",
      "D. Design of a robotic arm with six degrees of freedom to achieve necessary kinematic flexibility.",
      "E. Application of lightweight composite materials to reduce mechanical inertia."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following mechanical engineering design considerations is most critical to enable the arm's motion to complete the task in the video?",
    "problem_reserved_text": "Which of the following mechanical engineering design considerations is most critical to enable the arm's motion to complete the task in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/13.mp4"
    ]
  },
  {
    "problem_id": "validation_328",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Implementation of compliant control strategies, such as impedance or admittance control, to adjust to contact forces dynamically.",
      "B. Use of high-stiffness structural materials to eliminate any deformation during operation.",
      "C. Application of open-loop control systems to simplify control algorithms and reduce computational load.",
      "D. Incorporation of ultra-precise position sensors to achieve maximum positional accuracy without consideration of force feedback.",
      "E. Employing fixed pre-programmed motion paths for all tasks to ensure repeatability."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following advanced mechanical engineering principles is most critical to enable the robotic arm to complete the tasks in the video?",
    "problem_reserved_text": "Which of the following advanced mechanical engineering principles is most critical to enable the robotic arm to complete the tasks in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/13.mp4"
    ]
  },
  {
    "problem_id": "validation_329",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Over-the-shoulder shot",
      "B. Bird's-eye view shot",
      "C. Close-up shot",
      "D. Telephoto shot",
      "E. Wide-angle shot"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following camera techniques is typically used in the video?",
    "problem_reserved_text": "Which of the following camera techniques is typically used in the video?",
    "videos": [
      "./videos/Art/2.mp4"
    ]
  },
  {
    "problem_id": "validation_332",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Radiation therapy",
      "B. Nano drug delivery",
      "C. Genome editing",
      "D. Cell clearance",
      "E. Cell engineering"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What biotechnology is shown in the video?",
    "problem_reserved_text": "What biotechnology is shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_333",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gold nanoparticles as carriers for gene therapy, delivering genetic material into cells.",
      "B. Gold nanoparticles as contrast agents to enhance Magnetic Resonance Imaging (MRI).",
      "C. Gold nanoparticles facilitating targeted chemotherapy by delivering drugs to tumor cells.",
      "D. Gold nanoparticles promoting tissue regeneration through angiogenesis.",
      "E. Gold nanoparticles used in photothermal ablation therapy to destroy tumor cells."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which biomedical application is most likely being illustrated in the video?",
    "problem_reserved_text": "Which biomedical application is most likely being illustrated in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_334",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The particles are used in photothermal therapy to ablate cancer cells upon near-infrared irradiation.",
      "B. The particles are as carriers for targeted drug delivery in chemotherapy.",
      "C. The particles are serving as contrast agents in computed tomography (CT) imaging.",
      "D. The particles are facilitating wound healing by promoting angiogenesis.",
      "E. The particles are employed in colorimetric biosensors for detecting specific biomolecules."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following biomedical engineering applications is most likely being illustrated?",
    "problem_reserved_text": "Which of the following biomedical engineering applications is most likely being illustrated?",
    "videos": [
      "./videos/Biomedical_Engineering/5.mp4"
    ]
  },
  {
    "problem_id": "validation_335",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Viral infection causes damage to neuromuscular junction",
      "B. Mitochondrial dysfunction impairs muscle contraction",
      "C. Environmental pollutants directly damage nerve cells",
      "D. Autoimmune disease",
      "E. Chronic bacterial infection leading to progressive muscle degeneration"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Determine the pathogenesis of the disease based on the video content?",
    "problem_reserved_text": "Determine the pathogenesis of the disease based on the video content?",
    "videos": [
      "./videos/Dentistry/2.mp4"
    ]
  },
  {
    "problem_id": "validation_337",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The shooter's bullets deviate from the bull's eye, but the distance between each other is very close",
      "B. Most of the shooter's bullets do not hit the target.",
      "C. The shooter's bullets are concentrated in a corner of the bull's eye",
      "D. Most of the shooter's bullets are concentrated near the bull's eye",
      "E. The shooter's bullets all hit the bull's eye"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following statements about videos is correct? ",
    "problem_reserved_text": "Which of the following statements about videos is correct? ",
    "videos": [
      "./videos/Mechanics/15.mp4"
    ]
  },
  {
    "problem_id": "validation_339",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. None of the above",
      "B. composite materials",
      "C. brittle materials",
      "D. plastic materials",
      "E. fibrous materials"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following materials does this workpiece belong to?",
    "problem_reserved_text": "Which of the following materials does this workpiece belong to?",
    "videos": [
      "./videos/Mechanical_Engineering/15.mp4"
    ]
  },
  {
    "problem_id": "validation_340",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Maximum Shear Stress Theory (Tresca Criterion)",
      "B. Von Mises Yield Criterion",
      "C. Mohr-Coulomb Failure Criterion",
      "D. Maximum Principal Strain Theory",
      "E. Griffith's Fracture Theory"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following failure theories best explains the observed failure mode?",
    "problem_reserved_text": "Which of the following failure theories best explains the observed failure mode?",
    "videos": [
      "./videos/Mechanical_Engineering/15.mp4"
    ]
  },
  {
    "problem_id": "validation_341",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Shear failure due to diagonal shear stresses exceeding the shear strength.",
      "B. Compressive crushing failure due to compressive stress exceeding the compressive strength.",
      "C. Buckling failure caused by the slenderness of the cylinder under axial load.",
      "D. Failure due to stress concentrations at the contact surfaces with the loading plates.",
      "E. Failure initiated by microcracking at the aggregate-cement matrix interfaces leading to brittle fracture."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following phenomena is most likely contributed to the observed failure mode?",
    "problem_reserved_text": "Which of the following phenomena is most likely contributed to the observed failure mode?",
    "videos": [
      "./videos/Mechanical_Engineering/15.mp4"
    ]
  },
  {
    "problem_id": "validation_342",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. flood",
      "B. monsoon",
      "C. tornado",
      "D. tsunami",
      "E. hurricane"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What kind of weather is the video simulating",
    "problem_reserved_text": "What kind of weather is the video simulating",
    "videos": [
      "./videos/Geography/6.mp4"
    ]
  },
  {
    "problem_id": "validation_346",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. First one",
      "B. Second one",
      "C. Third one",
      "D. None",
      "E. All"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which move motion shows that the area velocities of planets are constants?",
    "problem_reserved_text": "Which move motion shows that the area velocities of planets are constants?",
    "videos": [
      "./videos/Mechanics/16.mp4"
    ]
  },
  {
    "problem_id": "validation_348",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Coagulase Test",
      "B. Germ Tube Test",
      "C. Sugar Fermentation Test",
      "D. Kirby-Bauer Test",
      "E. Blood Smear Test"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video>  Which of the following is most likely the experiment shown in the video?",
    "problem_reserved_text": " Which of the following is most likely the experiment shown in the video?",
    "videos": [
      "./videos/Preventive_Medicine/5.mp4"
    ]
  },
  {
    "problem_id": "validation_350",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Oncogene activation",
      "B. Tumor suppressor gene mutation",
      "C. Tumour immunology",
      "D. Apoptosis evasion",
      "E. Invasion and metastasis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What process of cancer development occurs in the video",
    "problem_reserved_text": "What process of cancer development occurs in the video",
    "videos": [
      "./videos/Clinical_Medicine/14.mp4"
    ]
  },
  {
    "problem_id": "validation_351",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Downregulating MHC class I molecules to avoid cytotoxic T cell recognition",
      "B. Inducing T-cell anergy through lack of costimulatory signals",
      "C. Rapid proliferation due to oncogene activation overwhelming immune surveillance",
      "D. Upregulating PD-L1 expression to inhibit T-cell mediated cytotoxicity",
      "E. Overexpressing 'don't eat me' signals to inhibit phagocytosis by macrophages"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the video description, which of the following mechanisms best explains how some cancer cells evade the immune system in the video?",
    "problem_reserved_text": "Based on the video description, which of the following mechanisms best explains how some cancer cells evade the immune system in the video?",
    "videos": [
      "./videos/Clinical_Medicine/14.mp4"
    ]
  },
  {
    "problem_id": "validation_352",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. First",
      "B. Second",
      "C. Third",
      "D. The first and the second",
      "E. All of the above"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following Kepler's laws best visualizes the motion in the video?",
    "problem_reserved_text": "Which of the following Kepler's laws best visualizes the motion in the video?",
    "videos": [
      "./videos/Astronomy/2.mp4"
    ]
  },
  {
    "problem_id": "validation_356",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Artificial Intelligence",
      "B. Internet",
      "C. Moore's law",
      "D. Traffic",
      "E. Wireless"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What field is this digital communication applied in?",
    "problem_reserved_text": "What field is this digital communication applied in?",
    "videos": [
      "./videos/Electronics_and_Communication/9.mp4"
    ]
  },
  {
    "problem_id": "validation_357",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Implementing User Datagram Protocol (UDP) to minimize overhead",
      "B. Utilizing Simple Mail Transfer Protocol (SMTP) for efficient email delivery",
      "C. Employing Transmission Control Protocol (TCP) for connection-oriented communication",
      "D. Applying Internet Control Message Protocol (ICMP) for network diagnostics",
      "E. Implementing Quality of Service (QoS) protocols to manage network traffic"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Considering the network issues demonstrated in the video, which network technology or protocol is primarily designed to address this issue and ensure network stability and efficiency?",
    "problem_reserved_text": "Considering the network issues demonstrated in the video, which network technology or protocol is primarily designed to address this issue and ensure network stability and efficiency?",
    "videos": [
      "./videos/Electronics_and_Communication/9.mp4"
    ]
  },
  {
    "problem_id": "validation_359",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Efficiency",
      "B. Robustness",
      "C. Optimality",
      "D. Transparency",
      "E. Randomness"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which characteristic of digital communication is shown in the video?",
    "problem_reserved_text": "Which characteristic of digital communication is shown in the video?",
    "videos": [
      "./videos/Electronics_and_Communication/10.mp4"
    ]
  },
  {
    "problem_id": "validation_360",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Implementing redundant networks to improve reliability.",
      "B. Replacing faulty physical components in the network infrastructure.",
      "C. Applying error correction algorithms to transmission data.",
      "D. Utilizing systematic troubleshooting methods to diagnose and fix issues.",
      "E. Encrypting data transmissions to enhance security."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the events depicted in the video, which best describes the approach being highlighted for resolving network connectivity problems in the field of Electronics and Communication?",
    "problem_reserved_text": "Based on the events depicted in the video, which best describes the approach being highlighted for resolving network connectivity problems in the field of Electronics and Communication?",
    "videos": [
      "./videos/Electronics_and_Communication/10.mp4"
    ]
  },
  {
    "problem_id": "validation_361",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Integrating diagnostics and communication for efficient network problem resolution through collaboration.",
      "B. Automatically rerouting network traffic through backup systems to maintain connectivity without user intervention.",
      "C. Implementing advanced encryption protocols to secure data transmission and prevent connectivity breaches.",
      "D. Utilizing artificial intelligence to predict and fix network issues proactively without human assistance.",
      "E. Restricting network usage during peak hours to minimize the likelihood of connectivity loss."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video description, which of the following best exemplifies the comprehensive strategy for resolving network connectivity issues ?",
    "problem_reserved_text": "Based on the video description, which of the following best exemplifies the comprehensive strategy for resolving network connectivity issues ?",
    "videos": [
      "./videos/Electronics_and_Communication/10.mp4"
    ]
  },
  {
    "problem_id": "validation_362",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Weather weapon",
      "B. Satellite weapon",
      "C. Chemical and biological weapons",
      "D. Nuclear weapon",
      "E. Cold weapon"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What weapon attack means is reflected in the video?",
    "problem_reserved_text": "What weapon attack means is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/6.mp4"
    ]
  },
  {
    "problem_id": "validation_363",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Infrared Spectroscopy",
      "B. Raman Spectroscopy",
      "C. Ultraviolet-Induced Fluorescence Detection",
      "D. Surface Plasmon Resonance Imaging",
      "E. Polymerase Chain Reaction (PCR)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which detection method is primarily being demonstrated for identifying contamination from biological or chemical agents on surfaces?",
    "problem_reserved_text": "Which detection method is primarily being demonstrated for identifying contamination from biological or chemical agents on surfaces?",
    "videos": [
      "./videos/Biomedical_Engineering/6.mp4"
    ]
  },
  {
    "problem_id": "validation_364",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Variola virus (Smallpox)",
      "B. Bacillus anthracis (Anthrax)",
      "C. Sarin nerve agent",
      "D. Ebola virus",
      "E. Clostridium botulinum"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the activities depicted in the video, which of the following agents is most likely being prevented?",
    "problem_reserved_text": "Based on the activities depicted in the video, which of the following agents is most likely being prevented?",
    "videos": [
      "./videos/Biomedical_Engineering/6.mp4"
    ]
  },
  {
    "problem_id": "validation_366",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Thaumatrope",
      "B. Phenakistoscope",
      "C. Zoetrope",
      "D. Praxinoscope",
      "E. Flipbook"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following devices is being demonstrated in the video?",
    "problem_reserved_text": "Which of the following devices is being demonstrated in the video?",
    "videos": [
      "./videos/Art/3.mp4"
    ]
  },
  {
    "problem_id": "validation_367",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Étienne-Jules Marey",
      "B. Thomas Edison",
      "C. Joseph Plateau",
      "D. Eadweard Muybridge",
      "E. William George Horner"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following inventors built the device first, using the same mechanism shown in the video?",
    "problem_reserved_text": "Which of the following inventors built the device first, using the same mechanism shown in the video?",
    "videos": [
      "./videos/Art/3.mp4"
    ]
  },
  {
    "problem_id": "validation_368",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hooke's Law",
      "B. Newton's First Law of Motion",
      "C. Newton's Second Law of Motion",
      "D. Work-Energy Theorem",
      "E. Law of Conservation of Energy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What is the principle mechansim does the experiment illustrate?",
    "problem_reserved_text": "What is the principle mechansim does the experiment illustrate?",
    "videos": [
      "./videos/Mechanics/17.mp4"
    ]
  },
  {
    "problem_id": "validation_373",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Implanting metal-based prosthetic devices to replace failing organs.",
      "B. Utilizing gene editing techniques to modify organ cells' DNA.",
      "C. Applying external mechanical devices to support organ function.",
      "D. Cultivating functional organs by growing cells on biomaterial scaffolds.",
      "E. Transplanting artificial organs constructed from non-biological materials."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the video, which biomedical engineering strategy is primarily depicted?",
    "problem_reserved_text": "Based on the video, which biomedical engineering strategy is primarily depicted?",
    "videos": [
      "./videos/Biomedical_Engineering/7.mp4"
    ]
  },
  {
    "problem_id": "validation_374",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Transplanting animal organs into human patients (xenotransplantation).",
      "B. Using gene editing technologies to correct mutations in organ cells.",
      "C. Employing external mechanical devices to replicate organ functions.",
      "D. Artificial organs entirely from synthetic, non-biological materials.",
      "E. Growing organs by seeding stem cells onto biomaterial scaffolds to develop vascularized tissues."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the video, which of the following best describes the key process being illustrated?",
    "problem_reserved_text": "Based on the video, which of the following best describes the key process being illustrated?",
    "videos": [
      "./videos/Biomedical_Engineering/7.mp4"
    ]
  },
  {
    "problem_id": "validation_376",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. hash table",
      "B. binary search tree",
      "C. red black tree",
      "D. avl tree",
      "E. heap"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> what kind of data structure is used in the video?",
    "problem_reserved_text": "what kind of data structure is used in the video?",
    "videos": [
      "./videos/Computer_Science/17.mp4"
    ]
  },
  {
    "problem_id": "validation_377",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A. It should be computationally infeasible to reconstruct the original input from the hash output (Pre-image resistance).",
      "B. B. It should produce a fixed-size output regardless of input size.",
      "C. D. It should be computationally efficient to compute the hash value.",
      "D. E. It should uniformly distribute hash outputs for the set of possible inputs.",
      "E. F. It should be able to handle variable-size inputs."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the properties of hash functions illustrated in the video, which of the following characteristics is essential for cryptographic hash functions but is not necessarily required for hash functions used in data structures like hash tables?",
    "problem_reserved_text": "Based on the properties of hash functions illustrated in the video, which of the following characteristics is essential for cryptographic hash functions but is not necessarily required for hash functions used in data structures like hash tables?",
    "videos": [
      "./videos/Computer_Science/17.mp4"
    ]
  },
  {
    "problem_id": "validation_378",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. It must be highly efficient to compute hash values quickly for large datasets.",
      "B. It must be pre-image resistant, making it computationally infeasible to reverse-engineer the original input from the hash value.",
      "C. It must guarantee that no two different inputs will ever produce the same hash value (collision-free).",
      "D. It must accept only fixed-size inputs to maintain consistency in hashing.",
      "E. It must utilize symmetric encryption algorithms to secure the hash values."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the concepts illustrated in the video, which of the following properties is essential for the cryptographic function shown in the video to ensure security?",
    "problem_reserved_text": "Based on the concepts illustrated in the video, which of the following properties is essential for the cryptographic function shown in the video to ensure security?",
    "videos": [
      "./videos/Computer_Science/17.mp4"
    ]
  },
  {
    "problem_id": "validation_379",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 600mm f8",
      "B. 35mm f1.8",
      "C. 35mm f8",
      "D. 200mm f8",
      "E. 300mm f8"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of len is best fit for the movie showed in the video?",
    "problem_reserved_text": "What kind of len is best fit for the movie showed in the video?",
    "videos": [
      "./videos/Art/4.mp4"
    ]
  },
  {
    "problem_id": "validation_380",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Use of handheld camera to create a documentary feel",
      "B. Employment of symmetrical composition and centered framing",
      "C. Application of slow-motion sequences to emphasize action",
      "D. Use of Dutch angles to convey psychological tension",
      "E. Incorporation of rapid montage editing to heighten urgency"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which cinematographic technique is most likely being employed in the scene to create a distinctive visual style?",
    "problem_reserved_text": "Which cinematographic technique is most likely being employed in the scene to create a distinctive visual style?",
    "videos": [
      "./videos/Art/4.mp4"
    ]
  },
  {
    "problem_id": "validation_381",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Minimalism",
      "B. Art Deco",
      "C. Baroque",
      "D. Pop Art",
      "E. Impressionism"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which art movement is most reflected in the set design and visual style of the scene?",
    "problem_reserved_text": "Which art movement is most reflected in the set design and visual style of the scene?",
    "videos": [
      "./videos/Art/4.mp4"
    ]
  },
  {
    "problem_id": "validation_382",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. energy from wind turbines",
      "B. energy from geothermal sources",
      "C. energy from biomass",
      "D. energy from ocean waves",
      "E. energy from tidal movements"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What type of energy is being collected by the machine in the video?",
    "problem_reserved_text": "What type of energy is being collected by the machine in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/16.mp4"
    ]
  },
  {
    "problem_id": "validation_383",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The average density of the device is greater than seawater, so it will sink.",
      "B. The average density of the device is equal to seawater, so it will be neutrally buoyant.",
      "C. The average density of the device is less than seawater, so it will float.",
      "D. The device needs additional buoyancy to prevent sinking.",
      "E. The device's buoyancy depends on wave conditions."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following statements is correct?",
    "problem_reserved_text": "Which of the following statements is correct?",
    "videos": [
      "./videos/Mechanical_Engineering/16.mp4"
    ]
  },
  {
    "problem_id": "validation_384",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The salinity of the seawater where the device is installed.",
      "B. The material density of the cylinders composing the device.",
      "C. The surface area of the cylinders in contact with water.",
      "D. The depth of the water where the device is moored.",
      "E. The wave height (amplitude) at the deployment location."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which factor most significantly influences the maximum theoretical power output of the device?",
    "problem_reserved_text": "Which factor most significantly influences the maximum theoretical power output of the device?",
    "videos": [
      "./videos/Mechanical_Engineering/16.mp4"
    ]
  },
  {
    "problem_id": "validation_385",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bacillus anthracis",
      "B. Clostridium tetani",
      "C. Clostridium perfringens",
      "D. Clostridium difficile",
      "E. Clostridium septicum"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following is the pathogen of this disease?",
    "problem_reserved_text": "Which of the following is the pathogen of this disease?",
    "videos": [
      "./videos/Preventive_Medicine/6.mp4"
    ]
  },
  {
    "problem_id": "validation_387",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. tornado",
      "B. tsunami",
      "C. hurricane",
      "D. wildfire",
      "E. flood"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of phenomenon is showed in the video?",
    "problem_reserved_text": "What kind of phenomenon is showed in the video?",
    "videos": [
      "./videos/Geography/7.mp4"
    ]
  },
  {
    "problem_id": "validation_388",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A volcanic eruption resulting from the African Plate diverging from the South American Plate along the Mid-Atlantic Ridge.",
      "B. A deep-sea earthquake caused by the Pacific Plate subducting beneath the North American Plate along the Aleutian Trench.",
      "C. A megathrust earthquake due to the Indo-Australian Plate subducting beneath the Eurasian Plate along the Sunda Trench.",
      "D. A collision between the Indian Plate and the Eurasian Plate forming the Himalayan Mountains.",
      "E. An oceanic earthquake caused by the Antarctic Plate moving northward colliding with the South American Plate."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video description, which of the following best explains the geological event depicted and correctly identifies the tectonic plates involved?",
    "problem_reserved_text": "Based on the video description, which of the following best explains the geological event depicted and correctly identifies the tectonic plates involved?",
    "videos": [
      "./videos/Geography/7.mp4"
    ]
  },
  {
    "problem_id": "validation_389",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Coastal regions of Mozambique",
      "B. The Andaman and Nicobar Islands",
      "C. The eastern coast of Madagascar",
      "D. The western coast of Australia",
      "E. The eastern coast of Sri Lanka"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video description, which of the following locations would have first experienced the tsunami waves after they emerged?",
    "problem_reserved_text": "Based on the video description, which of the following locations would have first experienced the tsunami waves after they emerged?",
    "videos": [
      "./videos/Geography/7.mp4"
    ]
  },
  {
    "problem_id": "validation_390",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The aluminum sheet generates induced electromotive force in the changing magnetic field, it moves downward due to magnetic force and continues to fall back due to gravity.",
      "B. The aluminum sheet generates induced electromotive force in the changing magnetic field, it moves upward due to magnetic force and falls back due to gravity.",
      "C. The aluminum sheet is connected to an external power source to generate current, and is subject to magnetic force in the magnetic field to produce movement.",
      "D. There is a magnetic field inside the aluminum sheet, which is repulsed by other magnetic fields and moves upward.",
      "E. There is a magnetic field inside the aluminum sheet, which is attracted by other magnetic fields and moves upward."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following statements explains the motion of the aluminum sheet in the video?",
    "problem_reserved_text": "Which of the following statements explains the motion of the aluminum sheet in the video?",
    "videos": [
      "./videos/Electrical_Engineering/15.mp4"
    ]
  },
  {
    "problem_id": "validation_391",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Copper ring - Because copper's high electrical conductivity generates excessive eddy currents that destabilize levitation.",
      "B. Iron ring - Because the iron becomes magnetized and is attracted to the coil, preventing levitation.",
      "C. Silver ring - Because silver's thermal properties interfere with the induced magnetic fields needed for levitation.",
      "D. Stainless steel ring - Because stainless steel's poor electrical conductivity reduces induced eddy currents, insufficient to produce levitation.",
      "E. Aluminum ring cooled to low temperatures - Because decreased resistance enhances eddy currents excessively, counteracting levitation."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Given the following materials for the ring replacements, which of the following statements is true?",
    "problem_reserved_text": "Given the following materials for the ring replacements, which of the following statements is true?",
    "videos": [
      "./videos/Electrical_Engineering/15.mp4"
    ]
  },
  {
    "problem_id": "validation_392",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Inflammasome activation increases pro-inflammatory cytokines, worsening periodontal inflammation.",
      "B. Hyperglycemia enhances oral bacterial proliferation, directly causing periodontal tissue destruction.",
      "C. Insulin resistance reduces collagen synthesis, weakening periodontal support structures.",
      "D. Oxidative stress from free radical accumulation in beta cells results in gingival tissue damage.",
      "E. Sentinel proteins suppress immune cell function, leading to increased periodontal infections."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following best explains the increased susceptibility to periodontitis in patients with the disease shown in the video?",
    "problem_reserved_text": "Which of the following best explains the increased susceptibility to periodontitis in patients with the disease shown in the video?",
    "videos": [
      "./videos/Dentistry/3.mp4"
    ]
  },
  {
    "problem_id": "validation_393",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Prescribing systemic antibiotics to eliminate periodontal pathogens.",
      "B. Utilizing non-steroidal anti-inflammatory drugs (NSAIDs) to reduce prostaglandin-mediated inflammation.",
      "C. Administering antioxidants to neutralize free radicals in periodontal tissues.",
      "D. Enhancing insulin sensitivity using thiazolidinediones to improve glycemic control.",
      "E. Inhibiting NLRP3 inflammasome activation to decrease production of pro-inflammatory cytokines."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the disease described in the video and its most common oral manifestation, which of the following treatment methods is the most effective?",
    "problem_reserved_text": "Based on the disease described in the video and its most common oral manifestation, which of the following treatment methods is the most effective?",
    "videos": [
      "./videos/Dentistry/3.mp4"
    ]
  },
  {
    "problem_id": "validation_394",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Insulin",
      "B. Simvastatin",
      "C. Atenolol",
      "D. Penicillin",
      "E. Metformin"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following drugs can treat the disease shown in the video?",
    "problem_reserved_text": "Which of the following drugs can treat the disease shown in the video?",
    "videos": [
      "./videos/Dentistry/3.mp4"
    ]
  },
  {
    "problem_id": "validation_396",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. insertion sort",
      "B. Heap sort",
      "C. selection sort",
      "D. Merge sort",
      "E. Bubble sort"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is the sorting algorithm used in the video?",
    "problem_reserved_text": "What is the sorting algorithm used in the video?",
    "videos": [
      "./videos/Computer_Science/18.mp4"
    ]
  },
  {
    "problem_id": "validation_397",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Insertion Sort",
      "B. Radix sort",
      "C. Merge Sort",
      "D. Quick Sort",
      "E. Counting Sort"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following sorting algorithms has the same worst-case time complexity as the algorithm shown in the video?",
    "problem_reserved_text": "Which of the following sorting algorithms has the same worst-case time complexity as the algorithm shown in the video?",
    "videos": [
      "./videos/Computer_Science/18.mp4"
    ]
  },
  {
    "problem_id": "validation_398",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Halothane",
      "B. Bupivacaine",
      "C. Nitrous Oxide",
      "D. Propofol",
      "E. Lidocaine"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the content shown in the video, it is speculated what drugs the doctor injected into the patient before the experiment.",
    "problem_reserved_text": "Based on the content shown in the video, it is speculated what drugs the doctor injected into the patient before the experiment.",
    "videos": [
      "./videos/Pharmacy/11.mp4"
    ]
  },
  {
    "problem_id": "validation_399",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Noise",
      "B. Bloom effect",
      "C. Aliasing",
      "D. Banding",
      "E. jello effect"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> what kind of effect is showed in the video?",
    "problem_reserved_text": "what kind of effect is showed in the video?",
    "videos": [
      "./videos/Art/5.mp4"
    ]
  },
  {
    "problem_id": "validation_401",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Inhibition of peptidoglycan cross-linking by binding to penicillin-binding proteins",
      "B. Inhibition of the 30S ribosomal subunit, preventing attachment of aminoacyl-tRNA",
      "C. Inhibition of DNA gyrase (topoisomerase II), preventing DNA replication",
      "D. Inhibition of the 30S ribosomal subunit causing misreading of mRNA",
      "E. Inhibition of the 50S ribosomal subunit, preventing peptide bond formation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following is the mechanism of action of the most appropriate initial antibiotic treatment for this patient?",
    "problem_reserved_text": "Which of the following is the mechanism of action of the most appropriate initial antibiotic treatment for this patient?",
    "videos": [
      "./videos/Pharmacy/12.mp4"
    ]
  },
  {
    "problem_id": "validation_402",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Production of pyrogenic exotoxin causing massive cytokine release",
      "B. Hemolysin-mediated destruction of red blood cells",
      "C. Neurotoxin-mediated inhibition of acetylcholine release at neuromuscular junctions",
      "D. Antiphagocytic capsule composed of F1 antigen preventing host immune response",
      "E. Endospore formation allowing survival in harsh conditions"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the video, which of the following virulence factors is most responsible for the severe symptoms associated with the disease shown in the video?",
    "problem_reserved_text": "Based on the video, which of the following virulence factors is most responsible for the severe symptoms associated with the disease shown in the video?",
    "videos": [
      "./videos/Pharmacy/12.mp4"
    ]
  },
  {
    "problem_id": "validation_404",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. backtracking",
      "B. dynamic programming",
      "C. greedy",
      "D. parallel",
      "E. branch and bound"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of idea of algorithm is used in the showed video below?",
    "problem_reserved_text": "What kind of idea of algorithm is used in the showed video below?",
    "videos": [
      "./videos/Computer_Science/20.mp4"
    ]
  },
  {
    "problem_id": "validation_405",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The time complexity is O(n), because each Fibonacci number up to n is computed exactly once due to memoization.",
      "B. The time complexity is O(2^n), because the recursive computation without memoization would generate an exponential number of calls.",
      "C. The time complexity is O(n^2), because storing computed values in the table adds an extra linear factor.",
      "D. The time complexity is O(log n), because the depth of the recursive tree is proportional to log n.",
      "E. The time complexity is O(1), because memoization reduces the computation to constant time."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following statements correctly describes the time complexity of this algorithm?",
    "problem_reserved_text": "Which of the following statements correctly describes the time complexity of this algorithm?",
    "videos": [
      "./videos/Computer_Science/20.mp4"
    ]
  },
  {
    "problem_id": "validation_406",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The algorithm has a space complexity of O(1) because it only needs to store the last two computed Fibonacci numbers.",
      "B. The algorithm's recursive calls form a binary tree of height O(log n), which reduces the space complexity to O(log n).",
      "C. The algorithm uses top-down dynamic programming with memoization, resulting in a space complexity of O(n) due to stored results and recursive call stack.",
      "D. The algorithm does not benefit from memoization because Fibonacci numbers are recalculated multiple times.",
      "E. The algorithm has a space complexity of O(n²) because it stores all subproblem solutions in a two-dimensional table."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following statements about the shown algorithm is correct?",
    "problem_reserved_text": "Which of the following statements about the shown algorithm is correct?",
    "videos": [
      "./videos/Computer_Science/20.mp4"
    ]
  },
  {
    "problem_id": "validation_408",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Differences in the political environment in various places",
      "B. Different levels of education",
      "C. The level of economic development",
      "D. The perfection of transportation infrastructure",
      "E. The coverage rate of social media"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> In different cities, the form of expression and participation of the this movement in video vary greatly. What factors are mainly affected by this difference?",
    "problem_reserved_text": "In different cities, the form of expression and participation of the this movement in video vary greatly. What factors are mainly affected by this difference?",
    "videos": [
      "./videos/Geography/8.mp4"
    ]
  },
  {
    "problem_id": "validation_409",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Functional Organizational Structure, with specialized departments and a clear chain of command.",
      "B. Divisional Organizational Structure, organized around products, markets, or geographical regions.",
      "C. Flatarchy Organizational Structure, combining flat structure and hierarchy to promote flexibility and autonomy.",
      "D. Matrix Organizational Structure, featuring dual reporting relationships between functional and project managers.",
      "E. Tall Organizational Structure, characterized by many hierarchical levels and a narrow span of control."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video description, which of the following organisational structures is most likely to be embodied by the company?",
    "problem_reserved_text": "Based on the video description, which of the following organisational structures is most likely to be embodied by the company?",
    "videos": [
      "./videos/Management/6.mp4"
    ]
  },
  {
    "problem_id": "validation_410",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hierarchy Culture, emphasizing formal structure and control.",
      "B. Market Culture, focusing on competitiveness and achieving goals.",
      "C. Clan Culture, promoting a family-like workplace with emphasis on collaboration.",
      "D. Mechanistic Culture, characterized by rigid procedures and centralization.",
      "E. Bureaucratic Culture, prioritizing rules and formalities."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video description, which of the following organizational cultures is most likely reflected by the company's environment?",
    "problem_reserved_text": "Based on the video description, which of the following organizational cultures is most likely reflected by the company's environment?",
    "videos": [
      "./videos/Management/6.mp4"
    ]
  },
  {
    "problem_id": "validation_411",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The ball is connected to an external power supply and its speed increases under the influence of magnetic force.",
      "B. The thermal energy of the ball is converted into kinetic energy, causing the speed to increase.",
      "C. The speed of the ball increases due to the force of gravity.",
      "D. The speed of the ball increases due to the effect of atmospheric pressure.",
      "E. The potential energy of the ball in the magnetic field is converted into kinetic energy, causing the ball's speed to increase."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Why is the final ball faster than the initial ball?",
    "problem_reserved_text": "Why is the final ball faster than the initial ball?",
    "videos": [
      "./videos/Electromagnetism/21.mp4"
    ]
  },
  {
    "problem_id": "validation_412",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The magnetic field exerts a force on the moving balls due to their motion, causing them to speed up, resulting in greater kinetic energy transfer.",
      "B. Electromagnetic forces between the colliding balls repel them before contact, reducing the energy loss during the collision.",
      "C. Electromagnetic induction leads to eddy currents that oppose their motion, but because the collisions are rapid and the balls are conductive, these effects are negligible, allowing for nearly elastic collisions.",
      "D. The magnetic field aligns the magnetic domains in the metal balls, converting some thermal energy into kinetic energy during the collision, thus increasing the balls' speed.",
      "E. Induced currents in the metal balls due to the magnetic field create forces that accelerate the balls during collision, increasing the speed of the leftmost ball after collision."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains how electromagnetic effects influence the behavior of the metal balls?",
    "problem_reserved_text": "Which of the following best explains how electromagnetic effects influence the behavior of the metal balls?",
    "videos": [
      "./videos/Electromagnetism/21.mp4"
    ]
  },
  {
    "problem_id": "validation_413",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The magnetic field induces eddy currents in the moving balls that create opposing magnetic fields, significantly damping their motion and reducing the efficiency of momentum transfer during collisions.",
      "B. The conductive balls, moving through the magnetic field, experience Lorentz forces that accelerate them, compensating for any energy losses due to collisions and maintaining constant speed.",
      "C. The magnetic field causes alignment of magnetic domains within the balls, converting some thermal energy into kinetic energy during collisions, thereby increasing the balls' speed after collisions.",
      "D. Electromagnetic induction causes charge separation within the balls, generating electrostatic forces that repel the balls before contact, reducing kinetic energy loss during collisions.",
      "E. The induced electromagnetic effects, such as eddy currents and magnetic forces, are minimal due to the low velocities and symmetry of the system, allowing the collisions to remain nearly elastic."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following statement about the video is true?",
    "problem_reserved_text": "Which of the following statement about the video is true?",
    "videos": [
      "./videos/Electromagnetism/21.mp4"
    ]
  },
  {
    "problem_id": "validation_414",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hooke's Law",
      "B. Newton's Laws",
      "C. Bernoulli's Law",
      "D. Archimedes' Law",
      "E. Joule's Law"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which law does the experiment show in the video? ",
    "problem_reserved_text": "Which law does the experiment show in the video? ",
    "videos": [
      "./videos/Mechanics/18.mp4"
    ]
  },
  {
    "problem_id": "validation_415",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Separation",
      "B. Crystallization",
      "C. Gelation",
      "D. Gel dissolution",
      "E. Melting"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What reaction is reflected in the video?",
    "problem_reserved_text": "What reaction is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/8.mp4"
    ]
  },
  {
    "problem_id": "validation_416",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Magnetic attraction due to ferromagnetic properties of the particles.",
      "B. Thermal convection currents causing upward movement of particles.",
      "C. Electrostatic forces causing attraction between the charged balloon and the particles.",
      "D. Capillary action drawing the powder upward through liquid wicking.",
      "E. Chemical bonding between functional groups on the particles and balloon surfaces."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which phenomenon best explains the phenomenon shown in the video?",
    "problem_reserved_text": "Which phenomenon best explains the phenomenon shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/8.mp4"
    ]
  },
  {
    "problem_id": "validation_417",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Decrease the viscosity of the polymer solution by reducing polymer concentration.",
      "B. Lower the applied voltage between the spinneret (needle) and the collector.",
      "C. Increase the electrical conductivity of the polymer by adding ionic salts.",
      "D. Shorten the distance between the spinneret and the collector.",
      "E. Use a polymer with a higher molecular weight to increase chain entanglements."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following modifications to the process in the video would be most effective?",
    "problem_reserved_text": "Which of the following modifications to the process in the video would be most effective?",
    "videos": [
      "./videos/Biomedical_Engineering/8.mp4"
    ]
  },
  {
    "problem_id": "validation_419",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Physical reaction",
      "B. Hydrolysis reaction",
      "C. Enzymatic reaction",
      "D. Inorganic reaction",
      "E. Physical adsorption"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What reaction process is reflected in the video?",
    "problem_reserved_text": "What reaction process is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/9.mp4"
    ]
  },
  {
    "problem_id": "validation_420",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Extracting oils from the biomass for biodiesel production.",
      "B. Enhancing the protein content of the biomass for animal feed supplements.",
      "C. Converting complex polysaccharides into simple fermentable sugars for ethanol fermentation.",
      "D. Synthesizing bioplastics by polymerizing monomers derived from the biomass.",
      "E. Precipitating inorganic minerals to enhance the soil fertility after biomass decomposition, aiming at promoting healthy plant growth."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following techniques can the operations in the video be applied to?",
    "problem_reserved_text": "Which of the following techniques can the operations in the video be applied to?",
    "videos": [
      "./videos/Biomedical_Engineering/9.mp4"
    ]
  },
  {
    "problem_id": "validation_421",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. To prevent the hydrolysis of hemicellulose at inappropriate pH levels.",
      "B. To effectively inactivate residual acid that could oxidize and damage the biomass.",
      "C. To facilitate the precipitation of lignin components from the solution.",
      "D. To optimize the pH for maximal enzymatic activity of cellulase during cellulose degradation.",
      "E. To promote the formation of fermentable sugars through efficient acid-catalyzed reactions."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains why precise pH adjustments are performed?",
    "problem_reserved_text": "Which of the following best explains why precise pH adjustments are performed?",
    "videos": [
      "./videos/Biomedical_Engineering/9.mp4"
    ]
  },
  {
    "problem_id": "validation_423",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. no correct answer",
      "B. peak",
      "C. mean",
      "D. amplitude",
      "E. envelope"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What characteristic does the signal maintain during the operation?",
    "problem_reserved_text": "What characteristic does the signal maintain during the operation?",
    "videos": [
      "./videos/Electronics_and_Communication/11.mp4"
    ]
  },
  {
    "problem_id": "validation_427",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. No",
      "B. Liability may vary depending on jurisdictional views on force majeure.",
      "C. The party must prove due diligence to avoid liability.",
      "D. It depends on the specific articles of the contract.",
      "E. The party can be exempted from liability in some events in the video, but not in other events."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> If the contractual obligations cannot be fulfilled due to the events showed in the video, whether the party need to bear the responsibility?",
    "problem_reserved_text": "If the contractual obligations cannot be fulfilled due to the events showed in the video, whether the party need to bear the responsibility?",
    "videos": [
      "./videos/Law/5.mp4"
    ]
  },
  {
    "problem_id": "validation_428",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Arguing that the doctrine of reasonable expectations dictates that the policy should cover the damage shown in the video.",
      "B. Asserting that Oceanic Insurance engaged in bad faith by denying the claim without proper investigation.",
      "C. Contending that ambiguities in the policy language should be construed against Oceanic Insurance under the doctrine of contra proferentem.",
      "D. Claiming that the damage shown in the video was an unforeseeable Act of God, thus obligating Oceanic Insurance to cover the loss.",
      "E. Maintaining that the policy's failure to specifically exclude the damage shown in the video means such events are covered."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on principles of insurance law and contract interpretation, which of the following arguments is most likely to support Seaside Enterprises in obtaining coverage for its loss under the circumstances in the video?",
    "problem_reserved_text": "Based on principles of insurance law and contract interpretation, which of the following arguments is most likely to support Seaside Enterprises in obtaining coverage for its loss under the circumstances in the video?",
    "videos": [
      "./videos/Law/5.mp4"
    ]
  },
  {
    "problem_id": "validation_430",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Persistence in the face of adversity leads to personal growth.",
      "B. The power of competition among peers drives success.",
      "C. The pursuit of knowledge without guidance leads to failure.",
      "D. The inevitability of destiny shapes one's path.",
      "E. The struggle between individual desires and societal expectations."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the narrative described in the video, which of the following themes is most prominently illustrated?",
    "problem_reserved_text": "Based on the narrative described in the video, which of the following themes is most prominently illustrated?",
    "videos": [
      "./videos/Literature/3.mp4"
    ]
  },
  {
    "problem_id": "validation_431",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Trust vs. Mistrust",
      "B. Autonomy vs. Shame and Doubt",
      "C. Initiative vs. Guilt",
      "D. Industry vs. Inferiority",
      "E. Identity vs. Role Confusion"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the video narrative, which stage of Erik Erikson's theory of psychosocial development is most prominently illustrated?",
    "problem_reserved_text": "Based on the video narrative, which stage of Erik Erikson's theory of psychosocial development is most prominently illustrated?",
    "videos": [
      "./videos/Literature/3.mp4"
    ]
  },
  {
    "problem_id": "validation_434",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Recommend boiling of drinking water to prevent giardiasis transmission",
      "B. Administer post-exposure prophylaxis to individuals potentially exposed to the dog",
      "C. Initiate vector control measures to reduce mosquito populations in the area",
      "D. Conduct mass screening for brucellosis among livestock handlers",
      "E. Distribute educational materials on preventing toxoplasmosis infection"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the scenario depicted in the video, which of the following public health interventions is most critical?",
    "problem_reserved_text": "Based on the scenario depicted in the video, which of the following public health interventions is most critical?",
    "videos": [
      "./videos/Preventive_Medicine/7.mp4"
    ]
  },
  {
    "problem_id": "validation_435",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Demyelination of central nervous system neurons due to an autoimmune response triggered by a DNA virus",
      "B. Exotoxin-mediated inhibition of acetylcholine release at neuromuscular junctions",
      "C. Retrograde axonal transport of an RNA virus leading to encephalitis",
      "D. Ingestion of prion-contaminated feed causing spongiform degeneration of the brain",
      "E. Fungal invasion of the respiratory tract causing granulomatous lesions"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains the pathogenesis of disease?",
    "problem_reserved_text": "Which of the following best explains the pathogenesis of disease?",
    "videos": [
      "./videos/Preventive_Medicine/7.mp4"
    ]
  },
  {
    "problem_id": "validation_436",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Market price fluctuations caused by imbalance between supply and demand",
      "B. Pressure from rising labor costs",
      "C. Monetary policy changes affecting investment stability",
      "D. Inflationary trends due to excessive currency issuance",
      "E. Financial risks and lack of supervision"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What problem in economics does the crisis shown in the video mainly reflect?",
    "problem_reserved_text": "What problem in economics does the crisis shown in the video mainly reflect?",
    "videos": [
      "./videos/Economics/4.mp4"
    ]
  },
  {
    "problem_id": "validation_437",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. An increase in housing supply due to aggressive government construction projects.",
      "B. A demographic shift leading to a decreased population and lower housing demand.",
      "C. A significant increase in unemployment rates affecting consumers' purchasing power.",
      "D. A tightening of monetary policy resulting in higher interest rates.",
      "E. A surge in foreign investment leading to an overvalued housing market correction."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following economic factors most likely contributed to these trends?",
    "problem_reserved_text": "Which of the following economic factors most likely contributed to these trends?",
    "videos": [
      "./videos/Economics/4.mp4"
    ]
  },
  {
    "problem_id": "validation_438",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Excess liquidity due to increased household savings.",
      "B. Increased interest expenses due to higher deposit rates.",
      "C. Increased competition from foreign banks entering the market.",
      "D. Higher demand for corporate loans offsetting declines in housing loans.",
      "E. Increased credit risk from residential mortgage defaults."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following is the most likely risk or challenge for the bank as a consequence of these trends shown in the video?",
    "problem_reserved_text": "Which of the following is the most likely risk or challenge for the bank as a consequence of these trends shown in the video?",
    "videos": [
      "./videos/Economics/4.mp4"
    ]
  },
  {
    "problem_id": "validation_441",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. K+",
      "B. Cl-",
      "C. Na+",
      "D. H+",
      "E. Ca2+"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> If this video shows an action potential of a neuron, what kind of ions are the blue dots represent for?",
    "problem_reserved_text": "If this video shows an action potential of a neuron, what kind of ions are the blue dots represent for?",
    "videos": [
      "./videos/Neurobiology/16.mp4"
    ]
  },
  {
    "problem_id": "validation_442",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Because the plastic rod is charged, after direct contact with the iron pieces, the iron pieces acquire opposite charges, causing them to attract each other.",
      "B. Because the plastic rod is charged and is not in direct contact with the iron pieces, the iron pieces are inductively charged and carry the same charge and repel each other.",
      "C. Because the air ambient temperature is high, the iron sheets expand and separate when heated.",
      "D. Because the plastic rod has a high temperature, the heat is transferred to the iron sheets causing them to expand and separate.",
      "E. Because the plastic rod is magnetized, and when brought near the iron pieces, induces magnetic forces causing the iron pieces to attract each other."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is the explanation of the shown phenomenon?",
    "problem_reserved_text": "What is the explanation of the shown phenomenon?",
    "videos": [
      "./videos/Electrical_Engineering/16.mp4"
    ]
  },
  {
    "problem_id": "validation_443",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The dielectric gas reduces the electric field inside the electroscope, decreasing the induced charge separation and resulting in less divergence of the leaves.",
      "B. The dielectric gas increases the capacitance of the electroscope, allowing it to accumulate more net charge, which causes greater divergence of the leaves.",
      "C. The dielectric gas serves as an insulating layer that prevents charge induction, so no net charge is transferred, and the leaves do not diverge.",
      "D. The dielectric gas alters the potential difference, changing the electrostatic forces between the leaves and resulting in a different degree of divergence.",
      "E. The dielectric gas ionizes under the influence of the external electric field, adding free charges to the electroscope and causing the leaves to diverge more than before."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains how the introduction of the dielectric gas affects the final divergence of the leaves of the electroscope?",
    "problem_reserved_text": "Which of the following best explains how the introduction of the dielectric gas affects the final divergence of the leaves of the electroscope?",
    "videos": [
      "./videos/Electrical_Engineering/16.mp4"
    ]
  },
  {
    "problem_id": "validation_444",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Reverse transcriptase",
      "B. Integrase",
      "C. Protease",
      "D. RNA polymerase II",
      "E. DNA polymerase delta"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video depiction, which of the following enzymes is primarily responsible for the process symbolized by the printer?",
    "problem_reserved_text": "Based on the video depiction, which of the following enzymes is primarily responsible for the process symbolized by the printer?",
    "videos": [
      "./videos/Basic_Medicine/9.mp4"
    ]
  },
  {
    "problem_id": "validation_445",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. diversification",
      "B. vertical integration",
      "C. horizontal integration",
      "D. outsourcing",
      "E. speculation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> For the company shown in the video, what is one of the method to handle the risk associated with ?",
    "problem_reserved_text": "For the company shown in the video, what is one of the method to handle the risk associated with ?",
    "videos": [
      "./videos/Management/2.mp4"
    ]
  },
  {
    "problem_id": "validation_446",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. nonlinear vibration",
      "B. Damping vibration",
      "C. Harmonic vibration",
      "D. Forced vibration",
      "E. None of the above"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What might the video describe?",
    "problem_reserved_text": "What might the video describe?",
    "videos": [
      "./videos/Mechanics/19.mp4"
    ]
  },
  {
    "problem_id": "validation_448",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The protagonist's call for bids is an **invitation to treat**, and each bid from the bidders is an **offer**.",
      "B. The protagonist's call for bids is an **offer**, and each bid from the bidders is an **acceptance**.",
      "C. The protagonist's starting price constitutes a **firm offer** that cannot be revoked.",
      "D. The protagonist's fall of the hammer signifies a **counter-offer** to the highest bid.",
      "E. The protagonist is **obligated to accept the highest bid** once bidding has started."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following statements best describes the legal nature of the video protagonist's behavior under the principles of contract law?",
    "problem_reserved_text": "Which of the following statements best describes the legal nature of the video protagonist's behavior under the principles of contract law?",
    "videos": [
      "./videos/Law/6.mp4"
    ]
  },
  {
    "problem_id": "validation_450",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Renin-angiotensin system",
      "B. Hypothalamic-pituitary-thyroid axis",
      "C. Adrenaline and norepinephrine",
      "D. Melatonin secretion",
      "E. Kallikrein-kinin system"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> When the phenomenon in the video occurs, which of the following options is the most important to adjust?",
    "problem_reserved_text": "When the phenomenon in the video occurs, which of the following options is the most important to adjust?",
    "videos": [
      "./videos/Clinical_Medicine/2.mp4"
    ]
  },
  {
    "problem_id": "validation_451",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Activation of the renin-angiotensin-aldosterone system to increase sodium reabsorption",
      "B. Suppression of the hypothalamic-pituitary-thyroid axis to reduce metabolic rate",
      "C. Administration of adrenaline and norepinephrine to elevate blood pressure",
      "D. Decrease in vasopressin (antidiuretic hormone) secretion to promote water excretion",
      "E. Activation of the kallikrein-kinin system to promote vasodilation and reduce blood pressure"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the phenomenon depicted in the video, which physiological adjustment is most critical to preventing further deterioration of the patient’s nervous system?",
    "problem_reserved_text": "Based on the phenomenon depicted in the video, which physiological adjustment is most critical to preventing further deterioration of the patient’s nervous system?",
    "videos": [
      "./videos/Clinical_Medicine/2.mp4"
    ]
  },
  {
    "problem_id": "validation_452",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Administration of thiazide diuretics to reduce sodium reabsorption in the distal tubule",
      "B. Administration of aldosterone antagonists to promote sodium excretion",
      "C. Administration of vasopressin receptor antagonists to induce water diuresis",
      "D. Administration of isotonic saline to replace lost electrolytes",
      "E. Administration of desmopressin to promote water reabsorption in the kidneys"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the physiological processes depicted in the video, which of the following pharmacological interventions is most appropriate?",
    "problem_reserved_text": "Based on the physiological processes depicted in the video, which of the following pharmacological interventions is most appropriate?",
    "videos": [
      "./videos/Clinical_Medicine/2.mp4"
    ]
  },
  {
    "problem_id": "validation_454",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. right",
      "B. up",
      "C. diagonally down-left",
      "D. down",
      "E. left"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> If we put the first object and the fifth object together in front of the sixth object, which direction will the arrow point we see?",
    "problem_reserved_text": "If we put the first object and the fifth object together in front of the sixth object, which direction will the arrow point we see?",
    "videos": [
      "./videos/Modern_Physics/5.mp4"
    ]
  },
  {
    "problem_id": "validation_455",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. refraction",
      "B. reflection",
      "C. polarization",
      "D. interference",
      "E. diffraction"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the objects shown in the video, you decide to conduct an experiment demonstrating an optical concept. Based on the experimental tools displayed in the video, which optical phenomenon is most likely to be demonstrated?",
    "problem_reserved_text": "Based on the objects shown in the video, you decide to conduct an experiment demonstrating an optical concept. Based on the experimental tools displayed in the video, which optical phenomenon is most likely to be demonstrated?",
    "videos": [
      "./videos/Modern_Physics/5.mp4"
    ]
  },
  {
    "problem_id": "validation_458",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Implementing snail control programs to eliminate the intermediate host",
      "B. Distributing insecticide-treated bed nets to prevent vector bites",
      "C. Providing widespread vaccination against the parasite",
      "D. Promoting proper cooking of fish to eliminate larval forms",
      "E. Encouraging the use of personal protective equipment among fishermen"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following public health interventions is most effective in reducing the incidence of the disease shown in the video?",
    "problem_reserved_text": "Which of the following public health interventions is most effective in reducing the incidence of the disease shown in the video?",
    "videos": [
      "./videos/Preventive_Medicine/8.mp4"
    ]
  },
  {
    "problem_id": "validation_459",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Viral Cirrhosis",
      "B. Alcoholic Cirrhosis",
      "C. Symmers pipestem fibrosis",
      "D. Non-alcoholic Steatohepatitis (NASH)",
      "E. Cardiac Cirrhosis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which type of liver cirrhosis might the disease shown in the video cause?",
    "problem_reserved_text": "Which type of liver cirrhosis might the disease shown in the video cause?",
    "videos": [
      "./videos/Preventive_Medicine/8.mp4"
    ]
  },
  {
    "problem_id": "validation_460",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Microcytic anemia due to chronic intestinal blood loss",
      "B. Progressive muscle weakness leading to flaccid paralysis",
      "C. Hematuria and increased risk of bladder cancer",
      "D. Portal hypertension resulting from periportal fibrosis",
      "E. Malabsorption leading to steatorrhea and weight loss"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following clinical findings is most likely to develop in chronically infected individuals in certain regions?",
    "problem_reserved_text": "Which of the following clinical findings is most likely to develop in chronically infected individuals in certain regions?",
    "videos": [
      "./videos/Preventive_Medicine/8.mp4"
    ]
  },
  {
    "problem_id": "validation_462",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Cu + Pb(NO3)2 → Cu(NO3)2 + Pb",
      "B. Cu + 2AgNO3 → Cu(NO3)2 + 2Ag",
      "C. Cu + FeSO4 → CuSO4 + Fe",
      "D. Cu(NO3)2 + Na2S → CuS + 2NaNO3",
      "E. CuCl2 + Na2SO4 → CuSO4 + 2NaCl"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> If the solution in the video is a salt solution, what is the most likely chemical reaction equation that would occur in the test tube?",
    "problem_reserved_text": "If the solution in the video is a salt solution, what is the most likely chemical reaction equation that would occur in the test tube?",
    "videos": [
      "./videos/Chemistry/5.mp4"
    ]
  },
  {
    "problem_id": "validation_463",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Iron wire immersed in magnesium sulfate solution: Fe(s) + MgSO₄(aq) → FeSO₄(aq) + Mg(s)",
      "B. Copper wire immersed in silver nitrate solution: Cu(s) + 2AgNO₃(aq) → Cu(NO₃)₂(aq) + 2Ag(s)",
      "C. Silver wire immersed in copper(II) sulfate solution: Ag(s) + CuSO₄(aq) → Ag₂SO₄(aq) + Cu(s)",
      "D. Zinc wire immersed in sodium chloride solution: Zn(s) + 2NaCl(aq) → ZnCl₂(aq) + 2Na(s)",
      "E. Aluminum wire immersed in lead(II) nitrate solution: 2Al(s) + 3Pb(NO₃)₂(aq) → 2Al(NO₃)₃(aq) + 3Pb(s)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which balanced chemical equation correctly represents the reaction occurring in the test tube?",
    "problem_reserved_text": "Which balanced chemical equation correctly represents the reaction occurring in the test tube?",
    "videos": [
      "./videos/Chemistry/5.mp4"
    ]
  },
  {
    "problem_id": "validation_466",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 3",
      "B. 0",
      "C. 1",
      "D. 4",
      "E. 2"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What is the difference number between the spin up and spin down electron?",
    "problem_reserved_text": "What is the difference number between the spin up and spin down electron?",
    "videos": [
      "./videos/Modern_Physics/6.mp4"
    ]
  },
  {
    "problem_id": "validation_467",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. s' = s",
      "B. s' = s/2",
      "C. s' = s/sqrt{2}",
      "D. s' = 2s",
      "E. s' = s*sqrt{2}"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> In the experiment shown in the video, suppose the distance between the two rows of balls is s. If the speed of the balls v increases to sqrt(2) times the original speed, how will the distance between the two rows of balls, s’, change?",
    "problem_reserved_text": "In the experiment shown in the video, suppose the distance between the two rows of balls is s. If the speed of the balls v increases to sqrt(2) times the original speed, how will the distance between the two rows of balls, s’, change?",
    "videos": [
      "./videos/Modern_Physics/6.mp4"
    ]
  },
  {
    "problem_id": "validation_468",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 35mm f8",
      "B. 35mm f1.8",
      "C. 350mm f1.8",
      "D. 300mm f8",
      "E. 600mm f8"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of len is best fit for the movie showed in the image",
    "problem_reserved_text": "What kind of len is best fit for the movie showed in the image",
    "videos": [
      "./videos/Art/6.mp4"
    ]
  },
  {
    "problem_id": "validation_469",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Stanley Kubrick",
      "B. Tim Burton",
      "C. Steven Spielberg",
      "D. Quentin Tarantino",
      "E. Wes Anderson"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the detailed description of the hotel lobby scene, which director's stylistic trademarks are most evident in this scene?",
    "problem_reserved_text": "Based on the detailed description of the hotel lobby scene, which director's stylistic trademarks are most evident in this scene?",
    "videos": [
      "./videos/Art/6.mp4"
    ]
  },
  {
    "problem_id": "validation_471",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. sequential search",
      "B. iterative deepening search",
      "C. binary search",
      "D. breadth first search",
      "E. depth first search"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of search algorithm is used in the video of binary search tree?",
    "problem_reserved_text": "What kind of search algorithm is used in the video of binary search tree?",
    "videos": [
      "./videos/Computer_Science/21.mp4"
    ]
  },
  {
    "problem_id": "validation_472",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Stack",
      "B. Priority Queue",
      "C. Hash Table",
      "D. Queue",
      "E. Linked List"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> To efficiently implement the algorithm in the video, which of the following data structures is essential?",
    "problem_reserved_text": "To efficiently implement the algorithm in the video, which of the following data structures is essential?",
    "videos": [
      "./videos/Computer_Science/21.mp4"
    ]
  },
  {
    "problem_id": "validation_473",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. In-order traversal",
      "B. Post-order traversal",
      "C. Reverse in-order traversal",
      "D. Breadth-first traversal",
      "E. Pre-order traversal"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which traversal method is demonstrated in the video?",
    "problem_reserved_text": "Which traversal method is demonstrated in the video?",
    "videos": [
      "./videos/Computer_Science/21.mp4"
    ]
  },
  {
    "problem_id": "validation_475",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hydrocortisone",
      "B. Diphenhydramine",
      "C. Loratadine",
      "D. Lorazepam",
      "E. Atropine"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the content of the video, which of the following medications can be used for the emergency treatment of the symptoms exhibited by the individual in the video?",
    "problem_reserved_text": "Based on the content of the video, which of the following medications can be used for the emergency treatment of the symptoms exhibited by the individual in the video?",
    "videos": [
      "./videos/Pharmacy/14.mp4"
    ]
  },
  {
    "problem_id": "validation_476",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. EGF",
      "B. VEGF",
      "C. CD2AP",
      "D. IL-6",
      "E. PDGF"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following growth factors/cytokines is NOT involved in the process in the vedio?",
    "problem_reserved_text": "Which of the following growth factors/cytokines is NOT involved in the process in the vedio?",
    "videos": [
      "./videos/Basic_Medicine/12.mp4"
    ]
  },
  {
    "problem_id": "validation_478",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 20Hz,50-70Hz",
      "B. 250Hz,400-650Hz",
      "C. 2Hz,5-7Hz",
      "D. 150Hz,300-450Hz",
      "E. 200Hz,500-700Hz"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is the bandwidth of the filter in the video? What is the wavelength range that the filter can pass through?",
    "problem_reserved_text": "What is the bandwidth of the filter in the video? What is the wavelength range that the filter can pass through?",
    "videos": [
      "./videos/Electrical_Engineering/18.mp4"
    ]
  },
  {
    "problem_id": "validation_480",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Saltatory conduction",
      "B. Segmental conduction",
      "C. Complex conduction",
      "D. Continuous conduction",
      "E. Passive conduction"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> How does the action potential propagate along the axon of the left neuron in this video?",
    "problem_reserved_text": "How does the action potential propagate along the axon of the left neuron in this video?",
    "videos": [
      "./videos/Neurobiology/17.mp4"
    ]
  },
  {
    "problem_id": "validation_482",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The broad and low-lying coastal plains of the region, which allowed tsunami waves to travel far inland",
      "B. The steep mountainous terrain immediately adjacent to the coastline, which funneled waves into narrow valleys",
      "C. The dense urban infrastructure along the coast, which amplified the tsunami's wave energy",
      "D. The occurrence of the tsunami during high tide, increasing the overall sea level",
      "E. The location of the region within a sheltered bay, which concentrated the tsunami waves"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following geographic factors most significantly contributed to the extent of inland flooding observed during the event?",
    "problem_reserved_text": "Which of the following geographic factors most significantly contributed to the extent of inland flooding observed during the event?",
    "videos": [
      "./videos/Geography/9.mp4"
    ]
  },
  {
    "problem_id": "validation_483",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The area was protected by a series of offshore barriers that absorbed the tsunami's energy before it reached the shore.",
      "B. The region was already submerged underwater before the tsunami, so no additional inundation was observed.",
      "C. The area consists of high-elevation mountainous terrain that was unaffected by the tsunami waves.",
      "D. The presence of dense vegetation in the area absorbed the impact of the tsunami, preventing flooding.",
      "E. The area is situated in a seismic shadow zone where tsunami waves are deflected away due to geological structures."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains why the grayscale area in the northeast corner of the map remained unchanged during the event?",
    "problem_reserved_text": "Which of the following best explains why the grayscale area in the northeast corner of the map remained unchanged during the event?",
    "videos": [
      "./videos/Geography/9.mp4"
    ]
  },
  {
    "problem_id": "validation_484",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Translation risk",
      "B. Economic risk",
      "C. Supply chain risk",
      "D. Transaction risk",
      "E. All of the above"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> For the company shown in the video, what kind of risk should it pay special attention to when trading?",
    "problem_reserved_text": "For the company shown in the video, what kind of risk should it pay special attention to when trading?",
    "videos": [
      "./videos/Economics/5.mp4"
    ]
  },
  {
    "problem_id": "validation_489",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Thermal radiation. Heat is transferred from the paper to the outside world.",
      "B. Thermal convection. Heat is transferred from the outside to the paper.",
      "C. Heat conduction. Heat is transferred from the paper to the outside world.",
      "D. Thermal radiation. Heat is transferred from the outside to the paper.",
      "E. Thermal convection. Heat is transferred from the paper to the outside world."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of heat transfer phenomenon occurs in the video?",
    "problem_reserved_text": "What kind of heat transfer phenomenon occurs in the video?",
    "videos": [
      "./videos/Thermodynamics/4.mp4"
    ]
  },
  {
    "problem_id": "validation_490",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The device will not rotate",
      "B. View from above, the device will rotate clockwise at a faster speed",
      "C. View from above, the device will rotate clockwise at a slower speed",
      "D. View from above, the device will rotate counterclockwise at a faster speed",
      "E. View from above, the device will rotate counterclockwise at a slower speed"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> In the video, what phenomenon would occur if the silver side of the blade is painted black?",
    "problem_reserved_text": "In the video, what phenomenon would occur if the silver side of the blade is painted black?",
    "videos": [
      "./videos/Thermodynamics/4.mp4"
    ]
  },
  {
    "problem_id": "validation_491",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The proximity of the metal rod induces opposite charges on the near side of the sphere, neutralizing its net charge locally, preventing further discharges.",
      "B. The metal rod causes a redistribution of charges on the sphere's surface, increasing the electric field between the rod and sphere, which ionizes the air and allows discharges.",
      "C. The presence of the metal rod increases the capacitance between the sphere and the rod, reducing the potential difference and preventing further discharges.",
      "D. Approaching the rod enhances electrostatic induction, which stops the charge flow on the sphere's surface, preventing further discharges.",
      "E. The metal rod introduces a path for charge to leave the sphere via corona discharge caused by the high electric field at the rod's tip, allowing discharges without direct contact."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following best explains the phenomenon in the video?",
    "problem_reserved_text": "Which of the following best explains the phenomenon in the video?",
    "videos": [
      "./videos/Electromagnetism/22.mp4"
    ]
  },
  {
    "problem_id": "validation_492",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The speed increment is the same each time.",
      "B. The speed increments get smaller and smaller each time.",
      "C. Each speed increment first increases and then decreases.",
      "D. The speed increments get bigger each time.",
      "E. Each speed increment first decreases and then increases."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How does the increment in the bead's velocity change with each collision with the next magnet?",
    "problem_reserved_text": "How does the increment in the bead's velocity change with each collision with the next magnet?",
    "videos": [
      "./videos/Electrical_Engineering/19.mp4"
    ]
  },
  {
    "problem_id": "validation_493",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ca+H2O->Ca(OH)2+H2",
      "B. Ba+H2O->Ba(OH)2+H2",
      "C. Na+H2O->NaOH+H2",
      "D. K+H2O->KOH+H2",
      "E. Mg+H2O->Mg(OH)2+H2"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following chemical reactions is most likely occurring when the solid is added to the solution in the video?",
    "problem_reserved_text": "Which of the following chemical reactions is most likely occurring when the solid is added to the solution in the video?",
    "videos": [
      "./videos/Chemistry/6.mp4"
    ]
  },
  {
    "problem_id": "validation_494",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Sodium (Na), an alkali metal in Group 1 with one valence electron",
      "B. Magnesium (Mg), an alkaline earth metal in Group 2 with two valence electrons",
      "C. Aluminum (Al), a post-transition metal in Group 13 with three valence electrons",
      "D. Carbon (C), a nonmetal in Group 14 with four valence electrons",
      "E. Chlorine (Cl), a halogen in Group 17 with seven valence electrons"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the observations described in the video, which of the following elements most likely corresponds to the substance added to the water?",
    "problem_reserved_text": "Based on the observations described in the video, which of the following elements most likely corresponds to the substance added to the water?",
    "videos": [
      "./videos/Chemistry/6.mp4"
    ]
  },
  {
    "problem_id": "validation_495",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Insertion into an AVL Tree",
      "B. Breadth-First Search (BFS) traversal of a binary tree",
      "C. Construction of a Complete Binary Heap",
      "D. Depth-First Search (DFS) traversal of a binary tree",
      "E. Insertion into a Red-Black Tree"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following operations or data structures is most accurately being depicted in the animation?",
    "problem_reserved_text": "Which of the following operations or data structures is most accurately being depicted in the animation?",
    "videos": [
      "./videos/Computer_Science/23.mp4"
    ]
  },
  {
    "problem_id": "validation_496",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The tree is a complete binary tree.",
      "B. The tree is a perfect binary tree.",
      "C. The tree is a binary search tree.",
      "D. The tree is a red-black tree maintaining balanced black-heights.",
      "E. The tree is an AVL tree."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following properties does the resulting tree satisfy?",
    "problem_reserved_text": "Which of the following properties does the resulting tree satisfy?",
    "videos": [
      "./videos/Computer_Science/23.mp4"
    ]
  },
  {
    "problem_id": "validation_498",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Oxidative degradation",
      "B. Molecular chain polymerization",
      "C. Enzymatic degradation",
      "D. Hydrolysis",
      "E. Bulk degradation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What chemical process is reflected in the video?",
    "problem_reserved_text": "What chemical process is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/10.mp4"
    ]
  },
  {
    "problem_id": "validation_499",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Angular momentum",
      "B. Linear momentum",
      "C. Acceleration",
      "D. Support force",
      "E. Gravity"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What is the most likely experiment the video is conducting",
    "problem_reserved_text": "What is the most likely experiment the video is conducting",
    "videos": [
      "./videos/Mechanics/20.mp4"
    ]
  },
  {
    "problem_id": "validation_502",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Patients with type II have increased blood insulin in the early stage",
      "B. Patients with type II have normal to moderate decreased insulin in the late stage",
      "C. Patients with type I have normal weight",
      "D. Patients with type I often develop the disease in childhood",
      "E. Patients with type I have higher concordance in twins"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is WRONG about the shown disease?",
    "problem_reserved_text": "What is WRONG about the shown disease?",
    "videos": [
      "./videos/Basic_Medicine/13.mp4"
    ]
  },
  {
    "problem_id": "validation_503",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. aortic area",
      "B. pulmonary area",
      "C. left sternal border",
      "D. mitral area",
      "E. tricuspid area"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What is not included in the auscultation area in the video?",
    "problem_reserved_text": "What is not included in the auscultation area in the video?",
    "videos": [
      "./videos/Clinical_Medicine/15.mp4"
    ]
  },
  {
    "problem_id": "validation_504",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Chemotherapy",
      "B. Implant Materials",
      "C. Medication",
      "D. Radiation therapy",
      "E. Photodynamic therapy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How does the doctor treat in the video?",
    "problem_reserved_text": "How does the doctor treat in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/11.mp4"
    ]
  },
  {
    "problem_id": "validation_507",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Smaller first, then bigger",
      "B. Bigger",
      "C. Smaller",
      "D. Bigger first, then smaller",
      "E. No change"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> How does the wavelength of light we see changes when the operator changes the instrument?",
    "problem_reserved_text": "How does the wavelength of light we see changes when the operator changes the instrument?",
    "videos": [
      "./videos/Modern_Physics/7.mp4"
    ]
  },
  {
    "problem_id": "validation_509",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Photodynamic therapy",
      "B. Ultrasonic therapy",
      "C. Radiation therapy",
      "D. Gene engineering",
      "E. Tissue Engineering"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of life science means is shown in the video?",
    "problem_reserved_text": "What kind of life science means is shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/12.mp4"
    ]
  },
  {
    "problem_id": "validation_510",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Stem cell transplantation to replace damaged heart tissue",
      "B. Gene therapy using viral vectors to deliver functional genes",
      "C. Activation of regenerative genes using CRISPR activation (CRISPRa) technology",
      "D. Suppression of harmful genes using RNA interference (RNAi)",
      "E. Implantation of bioengineered tissue scaffolds to support heart tissue growth"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video, which of the following technologies is primarily being utilized?",
    "problem_reserved_text": "Based on the video, which of the following technologies is primarily being utilized?",
    "videos": [
      "./videos/Biomedical_Engineering/12.mp4"
    ]
  },
  {
    "problem_id": "validation_511",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Only the Second one",
      "B. Only the First one",
      "C. The First and Third ones",
      "D. The First and Second ones",
      "E. Only the Third one"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which move motion shows that the orbits of planets are ellipses?",
    "problem_reserved_text": "Which move motion shows that the orbits of planets are ellipses?",
    "videos": [
      "./videos/Mechanics/21.mp4"
    ]
  },
  {
    "problem_id": "validation_513",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Anoikis",
      "B. Necrosis",
      "C. Pyroptosis",
      "D. Apoptosis",
      "E. Autophagy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of cell death process is shown in the video?",
    "problem_reserved_text": "What kind of cell death process is shown in the video?",
    "videos": [
      "./videos/Basic_Medicine/14.mp4"
    ]
  },
  {
    "problem_id": "validation_514",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Activation of death receptors by Fas ligand (extrinsic apoptosis pathway)",
      "B. Release of cytochrome c from mitochondria activating intrinsic apoptosis pathway",
      "C. Activation of receptor-interacting protein kinases RIPK1 and RIPK3 inducing necroptosis",
      "D. Accumulation of autophagosomes due to Beclin-1 activation initiating autophagy",
      "E. Iron-dependent lipid peroxidation leading to ferroptosis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following molecular events is most likely responsible for initiating the process shown?",
    "problem_reserved_text": "Which of the following molecular events is most likely responsible for initiating the process shown?",
    "videos": [
      "./videos/Basic_Medicine/14.mp4"
    ]
  },
  {
    "problem_id": "validation_516",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A decrease in overall labor productivity due to technological obsolescence.",
      "B. A reduction in capital investment as firms rely more on AI.",
      "C. An increase in total factor productivity leading to higher economic growth.",
      "D. A rise in inflation due to increased demand for AI-related services.",
      "E. A decrease in international competitiveness due to technological lag."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following macroeconomic effects is most likely to occur in the medium term?",
    "problem_reserved_text": "Which of the following macroeconomic effects is most likely to occur in the medium term?",
    "videos": [
      "./videos/Economics/7.mp4"
    ]
  },
  {
    "problem_id": "validation_518",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Tight monetary policy suppresses consumption",
      "B. The rapid-growing economy and a fiscal surplus",
      "C. Uneven development among members and accumulated fiscal deficits",
      "D. The unified monetary system enhances policy coordination",
      "E. Reduced investment in infrastructure leading to economic stagnation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What is the main reason for the debt crisis in the region as shown in the video?",
    "problem_reserved_text": "What is the main reason for the debt crisis in the region as shown in the video?",
    "videos": [
      "./videos/Economics/8.mp4"
    ]
  },
  {
    "problem_id": "validation_520",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Cell lysis",
      "B. Dormant",
      "C. Microbial evolution",
      "D. Fission and budding",
      "E. Spore formation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What life activities of microorganisms are reflected in the video?",
    "problem_reserved_text": "What life activities of microorganisms are reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/13.mp4"
    ]
  },
  {
    "problem_id": "validation_521",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bright-field microscopy; it provides high-contrast images of stained specimens, aiding in cell morphology studies.",
      "B. Fluorescence microscopy; it allows for the visualization of specific cellular components using fluorescent tags, useful in genetic engineering.",
      "C. Electron microscopy; it offers detailed images of cellular ultrastructure, essential for nanotechnology applications.",
      "D. Phase-contrast microscopy; it enhances contrast in transparent specimens without staining, enabling the study of live cells in their natural state.",
      "E. Dark-field microscopy; it improves contrast of unstained samples by illuminating them against a dark background, useful for detecting motility."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which microscopy technique is most likely being used, and how does this technique benefit Biomedical Engineering research?",
    "problem_reserved_text": "Which microscopy technique is most likely being used, and how does this technique benefit Biomedical Engineering research?",
    "videos": [
      "./videos/Biomedical_Engineering/13.mp4"
    ]
  },
  {
    "problem_id": "validation_522",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The clear halos primarily result from endospore formation due to nutrient depletion, which can potentially be inhibited by targeting specific spore germination pathways.",
      "B. The halos are caused by extracellular polysaccharide capsule synthesis enhancing virulence, which can be disrupted by inhibiting capsule formation enzymes.",
      "C. The presence of distinct halos indicates lipid accumulation within cells due to metabolic shifts, which can be addressed by modifying lipid biosynthesis pathways.",
      "D. The halos signify biofilm matrix formation on surfaces, which can be prevented by using agents that disrupt key biofilm structural components.",
      "E. The halos are zones where secreted hydrolytic enzymes degrade the surrounding medium, a process that can be inhibited to prevent tissue invasion in antifungal therapy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video>  Which of the following explanations best describes the observed phenomenon?",
    "problem_reserved_text": " Which of the following explanations best describes the observed phenomenon?",
    "videos": [
      "./videos/Biomedical_Engineering/13.mp4"
    ]
  },
  {
    "problem_id": "validation_524",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Basal ganglia",
      "B. Lateral geniculate nucleus",
      "C. Ventral horn",
      "D. Thalamus",
      "E. Dorsal root ganglia"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Where is the location of the cell bodies of the sensory neurons for the reflex in this video?",
    "problem_reserved_text": "Where is the location of the cell bodies of the sensory neurons for the reflex in this video?",
    "videos": [
      "./videos/Neurobiology/19.mp4"
    ]
  },
  {
    "problem_id": "validation_525",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Right anterior horn cells at cervical and lumbar spinal cord levels",
      "B. Left lateral spinothalamic tract at thoracic spinal cord levels",
      "C. Left dorsal column nuclei in the medulla oblongata",
      "D. Left posterior limb of the internal capsule involving corticospinal and dorsal column pathways",
      "E. Right posterior limb of the internal capsule involving corticospinal and dorsal column pathways"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> As shown in the video, the doctor conducted two experiments on the patient. In the first experiment, the patient’s response was normal; in the second experiment, the patient’s response was exaggerated. Based on the patient’s physiological signs, what is the most likely location of the lesion?",
    "problem_reserved_text": "As shown in the video, the doctor conducted two experiments on the patient. In the first experiment, the patient’s response was normal; in the second experiment, the patient’s response was exaggerated. Based on the patient’s physiological signs, what is the most likely location of the lesion?",
    "videos": [
      "./videos/Neurobiology/19.mp4"
    ]
  },
  {
    "problem_id": "validation_526",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 100.5 ms",
      "B. 10.5 ms",
      "C. 20.5 ms",
      "D. 31 ms",
      "E. 41.5 ms"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> In the biological process described in the video, assuming all neurons have a conduction velocity of 60 meters per second, each neuron’s axon length is 0.6 meters, and the synaptic delay is 0.5 milliseconds, what is the total time required for the nerve impulse to travel from the receptor to the effector (in milliseconds)?",
    "problem_reserved_text": "In the biological process described in the video, assuming all neurons have a conduction velocity of 60 meters per second, each neuron’s axon length is 0.6 meters, and the synaptic delay is 0.5 milliseconds, what is the total time required for the nerve impulse to travel from the receptor to the effector (in milliseconds)?",
    "videos": [
      "./videos/Neurobiology/19.mp4"
    ]
  },
  {
    "problem_id": "validation_532",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. As the temperature decreases, the number of gas molecules remains unchanged, and ultimately the gas volume decreases.",
      "B. As the temperature decreases, the gas pressure decreases and ultimately the gas volume decreases.",
      "C. As the temperature remains unchanged, the number of gas molecules decreases, and ultimately the gas volume decreases.",
      "D. As the temperature decreases, the air pressure remains unchanged, and ultimately the gas volume decreases.",
      "E. As the temperature increases, the number of gas molecules decreases, and ultimately the gas volume decreases."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Why did the piston position of the final tube drop compared to the initial position?",
    "problem_reserved_text": "Why did the piston position of the final tube drop compared to the initial position?",
    "videos": [
      "./videos/Thermodynamics/5.mp4"
    ]
  },
  {
    "problem_id": "validation_536",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. No electrical energy is produced when the strings are plucked.",
      "B. All the mechanical energy generated by plucking the strings is converted into heat energy.",
      "C. Thermal energy in the air is converted into electrical energy.",
      "D. Electrical energy from the electric guitar speaker is converted into sound energy.",
      "E. The mechanical energy generated by plucking the strings is converted into sound energy and heat energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What energy conversion process occurs in the video?",
    "problem_reserved_text": "What energy conversion process occurs in the video?",
    "videos": [
      "./videos/Electrical_Engineering/21.mp4"
    ]
  },
  {
    "problem_id": "validation_537",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Four",
      "B. Six",
      "C. Five",
      "D. Seven",
      "E. Eight"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How many degrees of freedom are involved in the process of automated fiber bundle manufacturing?",
    "problem_reserved_text": "How many degrees of freedom are involved in the process of automated fiber bundle manufacturing?",
    "videos": [
      "./videos/Materials_Science/7.mp4"
    ]
  },
  {
    "problem_id": "validation_538",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ensuring exact alignment of fibers to prevent anisotropic properties",
      "B. Achieving complete impregnation of fibers with the matrix material to avoid voids",
      "C. Preventing thermal degradation of fibers due to excessive heat during processing",
      "D. Minimizing residual stresses by controlling cooling rates after deposition",
      "E. Reducing lead times by increasing the speed of the robotic arm movements"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the described manufacturing process, which of the following is the most critical challenge to address in order to produce high-quality fiber-reinforced composite materials using this method?",
    "problem_reserved_text": "Based on the described manufacturing process, which of the following is the most critical challenge to address in order to produce high-quality fiber-reinforced composite materials using this method?",
    "videos": [
      "./videos/Materials_Science/7.mp4"
    ]
  },
  {
    "problem_id": "validation_542",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gastrointestinal bleeding",
      "B. Rhinitis and asthma",
      "C. Dermatitis herpetiformis",
      "D. Migraine headaches",
      "E. Diabetes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What other symptoms might the person in the video have?",
    "problem_reserved_text": "What other symptoms might the person in the video have?",
    "videos": [
      "./videos/Clinical_Medicine/16.mp4"
    ]
  },
  {
    "problem_id": "validation_543",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Type II hypersensitivity reaction involving IgG antibodies targeting cell surface antigens",
      "B. Type III hypersensitivity reaction due to immune complex deposition in vessel walls",
      "C. Type IV hypersensitivity reaction mediated by sensitized T-helper 1 (Th1) lymphocytes",
      "D. Type I hypersensitivity reaction mediated by IgE antibodies causing mast cell degranulation",
      "E. Autoimmune response involving IgG antibodies against desmoglein proteins in the skin"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the symptoms shown in the video, which immune mechanism is most likely responsible for the man’s symptoms?",
    "problem_reserved_text": "Based on the symptoms shown in the video, which immune mechanism is most likely responsible for the man’s symptoms?",
    "videos": [
      "./videos/Clinical_Medicine/16.mp4"
    ]
  },
  {
    "problem_id": "validation_545",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Benjamin Whorf",
      "B. Noam Chomsky",
      "C. Eric Lenneberg",
      "D. Roman Jakobson",
      "E. Ferdinand de Saussure"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> The linguist in this video is the very first who came up with this theory ,who is he?",
    "problem_reserved_text": "The linguist in this video is the very first who came up with this theory ,who is he?",
    "videos": [
      "./videos/Literature/4.mp4"
    ]
  },
  {
    "problem_id": "validation_546",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. George Orwell's '1984'",
      "B. James Joyce's 'Ulysses'",
      "C. T.S. Eliot's 'The Waste Land'",
      "D. Franz Kafka's 'The Metamorphosis'",
      "E. Virginia Woolf's 'To the Lighthouse'"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video's depiction, which of the following literary works best exemplifies the theme?",
    "problem_reserved_text": "Based on the video's depiction, which of the following literary works best exemplifies the theme?",
    "videos": [
      "./videos/Literature/4.mp4"
    ]
  },
  {
    "problem_id": "validation_547",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. p53, p16, K-RAS",
      "B. p53, K-RAS, p16",
      "C. p16, K-RAS, p53",
      "D. K-RAS, p53, p16",
      "E. K-RAS, p16, p53"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> When the process shown in the video occurs, there are multiple genetic mutations at specific sites, what is their order?",
    "problem_reserved_text": "When the process shown in the video occurs, there are multiple genetic mutations at specific sites, what is their order?",
    "videos": [
      "./videos/Basic_Medicine/15.mp4"
    ]
  },
  {
    "problem_id": "validation_551",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Increases and remains increased",
      "B. Decreases and remains decreased",
      "C. Increases first, then decreases",
      "D. Decreases first, then increases",
      "E. Remains the same"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> How does the angular velocity of the man in the video change?",
    "problem_reserved_text": "How does the angular velocity of the man in the video change?",
    "videos": [
      "./videos/Mechanics/22.mp4"
    ]
  },
  {
    "problem_id": "validation_552",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. ( omega_f = omega_0 )",
      "B. ( omega_f = dfrac{I_0}{I_0 + 2mL^2} omega_0 )",
      "C. ( omega_f = dfrac{I_0 + 2mL^2}{I_0} omega_0 )",
      "D. ( omega_f = dfrac{I_0 + mL^2}{I_0 + 2mL^2} omega_0 )",
      "E. ( omega_f = dfrac{I_0}{I_0 + mL^2} omega_0 )"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is his new angular velocity ( omega_f ) in terms of ( I_0 ), ( m ), ( L ), and ( omega_0 )?",
    "problem_reserved_text": "What is his new angular velocity ( omega_f ) in terms of ( I_0 ), ( m ), ( L ), and ( omega_0 )?",
    "videos": [
      "./videos/Mechanics/22.mp4"
    ]
  },
  {
    "problem_id": "validation_554",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. When the button is pressed, air flow is generated, and the air pressure causes the iron block to move upward.",
      "B. After pressing the button, there is a mechanical device that pulls the iron block upward.",
      "C. When the button is pressed, a magnetic field is formed, and the iron block moves upward due to the magnetic force.",
      "D. After pressing the button, an electric current is generated to generate heat. The rope is heat-shrinkable and shortens to pull the iron block upward.",
      "E. After pressing the button, a magnetic field is generated, and the rope is pulled by the force of the magnetic field to move the iron block."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Why does the iron block in the video rise?",
    "problem_reserved_text": "Why does the iron block in the video rise?",
    "videos": [
      "./videos/Thermodynamics/6.mp4"
    ]
  },
  {
    "problem_id": "validation_555",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Heating the wire increases its entropy, causing the atoms to move more randomly and the wire to contract.",
      "B. The electric current generates a magnetic field around the wire, and the interaction with the metal block induces a lifting force.",
      "C. The wire undergoes a phase transition from martensite to austenite upon heating, releasing stored strain energy and contracting, thereby lifting the block.",
      "D. Heating causes the gas inside the glass tube to expand, thereby lowers the metal block.",
      "E. Heating causes the gas inside the glass tube to expand, thereby lifting the metal block."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following thermodynamic explanations best describes the phenomenon shown in the video?",
    "problem_reserved_text": "Which of the following thermodynamic explanations best describes the phenomenon shown in the video?",
    "videos": [
      "./videos/Thermodynamics/6.mp4"
    ]
  },
  {
    "problem_id": "validation_558",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Late insomnia",
      "B. Middle insomnia",
      "C. Initial insomnia",
      "D. Sleep onset latency",
      "E. Delayed sleep phase syndrome"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What phenomenon is shown in the video?",
    "problem_reserved_text": "What phenomenon is shown in the video?",
    "videos": [
      "./videos/Clinical_Medicine/18.mp4"
    ]
  },
  {
    "problem_id": "validation_559",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Recurrent nightmares involving traumatic events",
      "B. Persistent muscle tension and restlessness",
      "C. Significant weight loss without dieting",
      "D. Compulsive behaviors like repeated checking",
      "E. Elevated mood with increased goal-directed activity"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> As shown in the video, which physical symptom is this person most likely experiencing?",
    "problem_reserved_text": "As shown in the video, which physical symptom is this person most likely experiencing?",
    "videos": [
      "./videos/Clinical_Medicine/18.mp4"
    ]
  },
  {
    "problem_id": "validation_560",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Major Depressive Disorder",
      "B. Obsessive-Compulsive Disorder",
      "C. Acute Stress Disorder",
      "D. Adjustment Disorder",
      "E. Generalized Anxiety Disorder"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the video depiction, which of the following is the most likely diagnosis for this individual's condition?",
    "problem_reserved_text": "Based on the video depiction, which of the following is the most likely diagnosis for this individual's condition?",
    "videos": [
      "./videos/Clinical_Medicine/18.mp4"
    ]
  },
  {
    "problem_id": "validation_562",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The capacitor supplies power to the light bulb, and the circuit is now connected.",
      "B. The power supply supplies power to the light bulb, and the circuit is now a path.",
      "C. The power supply supplies power to the light bulb, and the capacitor is in a charged state.",
      "D. The power source and the capacitor simultaneously power the light bulb.",
      "E. The capacitor supplies power to the light bulb, and the capacitor is in a discharged state."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Why does the light bulb flicker in the video?",
    "problem_reserved_text": "Why does the light bulb flicker in the video?",
    "videos": [
      "./videos/Electromagnetism/24.mp4"
    ]
  },
  {
    "problem_id": "validation_563",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The capacitor charges instantaneously when the switch is closed, and the light bulb operates independently from the capacitor.",
      "B. The capacitor charges through the light bulb, which acts as a resistor, causing a gradual increase in voltage across the capacitor while the bulb lights up then goes out during the charging process.",
      "C. The capacitor discharges through the light bulb when the switch is closed, resulting in a decreasing voltage across the capacitor and causing the bulb to light up due to the discharge current.",
      "D. The capacitor and the light bulb are connected in parallel, and the capacitor charges directly from the battery without affecting the light bulb's operation.",
      "E. The capacitor charges when the switch is opened due to a sudden change in the magnetic field, and the light bulb lights up because of transient currents in the circuit."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following best explains the behavior observed in the circuit?",
    "problem_reserved_text": "Which of the following best explains the behavior observed in the circuit?",
    "videos": [
      "./videos/Electromagnetism/24.mp4"
    ]
  },
  {
    "problem_id": "validation_565",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Nine",
      "B. Seven",
      "C. Six",
      "D. Eight",
      "E. Five"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How many degrees of freedom are there in the NDT process?",
    "problem_reserved_text": "How many degrees of freedom are there in the NDT process?",
    "videos": [
      "./videos/Materials_Science/8.mp4"
    ]
  },
  {
    "problem_id": "validation_567",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Heap sort",
      "B. Quick sort",
      "C. Merge sort",
      "D. Shell sort",
      "E. Insertion sort"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What kind of sorting algorithm is used in this video?",
    "problem_reserved_text": "What kind of sorting algorithm is used in this video?",
    "videos": [
      "./videos/Computer_Science/30.mp4"
    ]
  },
  {
    "problem_id": "validation_568",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The algorithm is a stable sorting algorithm, preserving the relative order of equal elements.",
      "B. The algorithm has a worst-case time complexity worse than O(n log n) due to its reliance on heap construction.",
      "C. The algorithm requires additional memory proportional to the input size, resulting in O(n) extra space complexity.",
      "D. The algorithm's performance significantly improves when the input array is nearly sorted.",
      "E. The algorithm's performance is largely unaffected by the initial order of the elements in the array."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the behavior of the algorithm as depicted in the video, which of the following statements about the algorithm is true?",
    "problem_reserved_text": "Based on the behavior of the algorithm as depicted in the video, which of the following statements about the algorithm is true?",
    "videos": [
      "./videos/Computer_Science/30.mp4"
    ]
  },
  {
    "problem_id": "validation_570",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Coronary Heart Disease",
      "B. Hypertension",
      "C. Parkinson's disease",
      "D. Chronic Kidney Disease",
      "E. Hyperglycemia"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is this disease based on the typical symptoms of a common disease shown in the video?",
    "problem_reserved_text": "What is this disease based on the typical symptoms of a common disease shown in the video?",
    "videos": [
      "./videos/Basic_Medicine/16.mp4"
    ]
  },
  {
    "problem_id": "validation_574",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. No. Because the water in the bottle absorbs the energy of the wheel.",
      "B. No. Because there is no external source of energy for the wheel.",
      "C. Yes. Because the water below provides energy to the wheel.",
      "D. Yes. Because wind energy is converted into mechanical energy of the wheel.",
      "E. Yes. Because electrical energy is converted into mechanical energy of the wheel."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Can the wheel rotate for a longer period of time and why?",
    "problem_reserved_text": "Can the wheel rotate for a longer period of time and why?",
    "videos": [
      "./videos/Thermodynamics/7.mp4"
    ]
  },
  {
    "problem_id": "validation_575",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The transparent liquid converts its kinetic energy into the kinetic energy of the wheel, causing it to keep spinning.",
      "B. The ions in the transparent liquid form a galvanic cell environment, converting electrical energy into the mechanical energy of the wheel.",
      "C. The wheel continues to spin due to the conservation of angular momentum in a nearly frictionless environment, with the liquid acting as a lubricant between moving parts.",
      "D. The clear liquid provides a cooling effect that reduces the temperature of the piston, decreasing internal energy and allowing the wheel to spin longer by reducing thermal losses.",
      "E. A temperature difference between the clear liquid and the surrounding air creates a heat engine cycle within the piston mechanism, converting thermal energy into mechanical work."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following explanations best describes how the wheel continues to spin, and what role does the clear liquid play in this process?",
    "problem_reserved_text": "Which of the following explanations best describes how the wheel continues to spin, and what role does the clear liquid play in this process?",
    "videos": [
      "./videos/Thermodynamics/7.mp4"
    ]
  },
  {
    "problem_id": "validation_577",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. insertion sort",
      "B. heap sort",
      "C. merge sort",
      "D. selection sort",
      "E. quick sort"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of sorting algorithm is used in the video?",
    "problem_reserved_text": "What kind of sorting algorithm is used in the video?",
    "videos": [
      "./videos/Computer_Science/31.mp4"
    ]
  },
  {
    "problem_id": "validation_578",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The algorithm in the video combines sorted subarrays by merging, whereas merge sort partitions the array using a pivot.",
      "B. The algorithm in the video has a worst-case time complexity of O(n log n), while merge sort's worst-case time complexity is O(n²).",
      "C. The algorithm in the video consistently divides the array into two equal halves, but merge sort partitions the array unevenly.",
      "D. The algorithm in the video selects a pivot to partition the array, unlike merge sort which divides the array without pivots.",
      "E. The algorithm in the video is a stable sort, whereas merge sort is an unstable sort."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following statements accurately describes a key difference between the sorting algorithm demonstrated in the video and Merge Sort?",
    "problem_reserved_text": "Which of the following statements accurately describes a key difference between the sorting algorithm demonstrated in the video and Merge Sort?",
    "videos": [
      "./videos/Computer_Science/31.mp4"
    ]
  },
  {
    "problem_id": "validation_579",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. O(n)",
      "B. O(n log n)",
      "C. O(log n)",
      "D. O(n²)",
      "E. O(n³)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What is the worst-case time complexity of this algorithm?",
    "problem_reserved_text": "What is the worst-case time complexity of this algorithm?",
    "videos": [
      "./videos/Computer_Science/31.mp4"
    ]
  },
  {
    "problem_id": "validation_581",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Omeprazole",
      "B. Phenytoin",
      "C. Lisinopril",
      "D. Simvastatin",
      "E. Metformin"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following drugs can relieve and treat this symptom?",
    "problem_reserved_text": "Which of the following drugs can relieve and treat this symptom?",
    "videos": [
      "./videos/Pharmacy/16.mp4"
    ]
  },
  {
    "problem_id": "validation_582",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Syndrome",
      "B. Neoplasia",
      "C. Malformation",
      "D. Disruption",
      "E. Degeneration"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following categories does the disease shown in the video belong to?",
    "problem_reserved_text": "Which of the following categories does the disease shown in the video belong to?",
    "videos": [
      "./videos/Basic_Medicine/17.mp4"
    ]
  },
  {
    "problem_id": "validation_584",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. the same",
      "B. half",
      "C. twice",
      "D. four times",
      "E. three times"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> After modulation how does the bandwidth of the signal change compared to the original?",
    "problem_reserved_text": "After modulation how does the bandwidth of the signal change compared to the original?",
    "videos": [
      "./videos/Electronics_and_Communication/13.mp4"
    ]
  },
  {
    "problem_id": "validation_585",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The circuit is a pulse width modulator where the duty cycle changes over time, causing the observed waveform transitions.",
      "B. The circuit is a square wave generator whose output is being filtered by an RC low-pass filter, smoothing the waveform into a triangle and eventually a sine wave.",
      "C. The circuit is a relaxation oscillator producing a sawtooth waveform that transitions due to varying capacitance in the circuit.",
      "D. The circuit is a frequency multiplier where harmonics are being generated and filtered, resulting in the observed waveform changes.",
      "E. The circuit is an oscillator that, during startup, exhibits transient responses that evolve into a steady-state sine wave as the components reach their operating conditions."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following is the most plausible explanation for the behavior of the circuit?",
    "problem_reserved_text": "Which of the following is the most plausible explanation for the behavior of the circuit?",
    "videos": [
      "./videos/Electronics_and_Communication/13.mp4"
    ]
  },
  {
    "problem_id": "validation_586",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A filter circuit converting a DC signal into an AC signal",
      "B. A function generator outputting multiple waveforms sequentially",
      "C. A frequency doubler circuit increasing the frequency of the input signal",
      "D. An RC relaxation oscillator generates triangular waves, filtered into sine waves",
      "E. A mixer circuit combining two frequencies to produce beat frequencies"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the information presented in the video, which of the following best describes the process occurring in the circuit?",
    "problem_reserved_text": "Based on the information presented in the video, which of the following best describes the process occurring in the circuit?",
    "videos": [
      "./videos/Electronics_and_Communication/13.mp4"
    ]
  },
  {
    "problem_id": "validation_588",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Sodium (Na)",
      "B. Magnesium (Mg)",
      "C. Lithium (Li)",
      "D. Aluminum (Al)",
      "E. Iron (Fe)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the observations in the video, which element is most likely involved?",
    "problem_reserved_text": "Based on the observations in the video, which element is most likely involved?",
    "videos": [
      "./videos/Chemistry/7.mp4"
    ]
  },
  {
    "problem_id": "validation_589",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Nephroblastomatosis",
      "B. Polycystic kidney disease",
      "C. Familial juvenile nephronophthisis",
      "D. Acquired cystic kidney disease",
      "E. Simple cysts"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What disease does the video show?",
    "problem_reserved_text": "What disease does the video show?",
    "videos": [
      "./videos/Basic_Medicine/18.mp4"
    ]
  },
  {
    "problem_id": "validation_590",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Mutation in the **PKD1** gene encoding polycystin-1 leading to disrupted cell-cell adhesion",
      "B. Mutation in the **PKHD1** gene encoding fibrocystin causing defective ciliary function",
      "C. Mutation in the **TSC1** gene encoding hamartin resulting in cortical tuber formation",
      "D. Deletion of the **VHL** gene leading to increased hypoxia-inducible factor activity",
      "E. Mutation in the **COL4A5** gene encoding type IV collagen affecting basement membranes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following genetic mutations is most likely responsible for this patient's clinical presentation?",
    "problem_reserved_text": "Which of the following genetic mutations is most likely responsible for this patient's clinical presentation?",
    "videos": [
      "./videos/Basic_Medicine/18.mp4"
    ]
  },
  {
    "problem_id": "validation_591",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The patient is homozygous for a PKD1 mutation.",
      "B. The patient is heterozygous for a PKD1 mutation.",
      "C. The patient is homozygous for a PKD2 mutation.",
      "D. The patient is heterozygous for a PKD2 mutation.",
      "E. The patient's genotype cannot be determined."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following is the most accurate statement regarding this patient's genotype?",
    "problem_reserved_text": "Which of the following is the most accurate statement regarding this patient's genotype?",
    "videos": [
      "./videos/Basic_Medicine/18.mp4"
    ]
  },
  {
    "problem_id": "validation_592",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The wig gets electric charge from the spherical shell, and different hair strands with the same electric charge repel each other.",
      "B. The wig gets electric charges through friction, and different hair strands with the same charge repel each other.",
      "C. The strong wind in the environment blows the wig into this shape.",
      "D. Too dry air causes the electrons in the wig to transfer into the air.",
      "E. Charge transfer occurs between different hair strands of the wig, and different hair strands carry different charges."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Why does the wig appear as shown in the video?",
    "problem_reserved_text": "Why does the wig appear as shown in the video?",
    "videos": [
      "./videos/Electrical_Engineering/22.mp4"
    ]
  },
  {
    "problem_id": "validation_593",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The introduced stick causes the hair strands to be grounded; upon contact, the hair strands discharge and revert to their original position.",
      "B. The electric field from the stick ionizes the air around the hair strands, allowing electrons to transfer and reverse the charge on the hairs, causing temporary attraction.",
      "C. The presence of the stick enhances the electric field around the wig, increasing the electrostatic forces and causing the hair strands to be momentarily attracted before repelling again.",
      "D. The hair strands are attracted to the stick because it emits charges opposite to those on the hairs, and upon balancing the charges, the hairs return to their prior position.",
      "E. The stick causes a redistribution of charges within the hair strands, leading to dipole formation that results in temporary attraction followed by repulsion when the dipoles diminish."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following best explains the behavior of the hair strands when the stick held in the hand is introduced?",
    "problem_reserved_text": "Which of the following best explains the behavior of the hair strands when the stick held in the hand is introduced?",
    "videos": [
      "./videos/Electrical_Engineering/22.mp4"
    ]
  },
  {
    "problem_id": "validation_596",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gravitational methods",
      "B. Resistivity methods",
      "C. Electromagnetic methods",
      "D. Seismic methods",
      "E. Ground-penetrating radar"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which method is used for indirect exploration of subsurface conditions",
    "problem_reserved_text": "Which method is used for indirect exploration of subsurface conditions",
    "videos": [
      "./videos/Civil_Engineering/19.mp4"
    ]
  },
  {
    "problem_id": "validation_597",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Exploration for hydrocarbon deposits to support offshore oil and gas development.",
      "B. Mapping of seabed habitats to enhance marine biodiversity conservation efforts.",
      "C. Assessment of potential sites for submarine cable routing for telecommunications infrastructure.",
      "D. Planning of dredging operations for harbor deepening and maintenance.",
      "E. Evaluation of seabed conditions for the installation of tidal energy extraction systems."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the marine survey described in the video, which engineering application is most likely the primary objective of this physical exploration to ensure safe and efficient project planning in the marine environment?",
    "problem_reserved_text": "Based on the marine survey described in the video, which engineering application is most likely the primary objective of this physical exploration to ensure safe and efficient project planning in the marine environment?",
    "videos": [
      "./videos/Civil_Engineering/19.mp4"
    ]
  },
  {
    "problem_id": "validation_599",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 2:1",
      "B. 30:9",
      "C. 3:1",
      "D. 4:3",
      "E. 21:9"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of size of screen is best fit for the movie showed in the video?",
    "problem_reserved_text": "What kind of size of screen is best fit for the movie showed in the video?",
    "videos": [
      "./videos/Art/7.mp4"
    ]
  },
  {
    "problem_id": "validation_600",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Christopher Nolan",
      "B. Stanley Kubrick",
      "C. Martin Scorsese",
      "D. Tim Burton",
      "E. Wes Anderson"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which director most likely directed the film?",
    "problem_reserved_text": "Which director most likely directed the film?",
    "videos": [
      "./videos/Art/7.mp4"
    ]
  },
  {
    "problem_id": "validation_601",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Art Nouveau",
      "B. Art Deco",
      "C. Bauhaus",
      "D. Surrealism",
      "E. Gothic Revival"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which artistic and design movement is most prominently reflected in the film's production design?",
    "problem_reserved_text": "Which artistic and design movement is most prominently reflected in the film's production design?",
    "videos": [
      "./videos/Art/7.mp4"
    ]
  },
  {
    "problem_id": "validation_603",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Cellulose",
      "B. Fats",
      "C. Gelatin",
      "D. Metal alloys",
      "E. Glass"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What material production process is shown in the video?",
    "problem_reserved_text": "What material production process is shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/14.mp4"
    ]
  },
  {
    "problem_id": "validation_606",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Type I Hypersensitivity (Immediate, IgE-mediated)",
      "B. Type II Hypersensitivity (Antibody-mediated cytotoxic)",
      "C. Type III Hypersensitivity (Immune complex-mediated)",
      "D. Type IV Hypersensitivity (Delayed-type, T-cell mediated)",
      "E. Type VI Hypersensitivity (Antibody-dependent cell-mediated cytotoxicity)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the procedure described in the video, which type of hypersensitivity reaction is most likely being assessed?",
    "problem_reserved_text": "Based on the procedure described in the video, which type of hypersensitivity reaction is most likely being assessed?",
    "videos": [
      "./videos/Pharmacy/17.mp4"
    ]
  },
  {
    "problem_id": "validation_608",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. mRNA transcript",
      "B. tRNA",
      "C. ribosome",
      "D. DNA polymerase",
      "E. amino acid"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> In this video, what type of molecular is NOT referred to be involved in the process?",
    "problem_reserved_text": "In this video, what type of molecular is NOT referred to be involved in the process?",
    "videos": [
      "./videos/Biology/5.mp4"
    ]
  },
  {
    "problem_id": "validation_609",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. mRNA transcript",
      "B. tRNA",
      "C. DNA polymerase",
      "D. rRNA",
      "E. amino acid"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> In this video, what type of molecular is NOT referred to be involved in the shown process?",
    "problem_reserved_text": "In this video, what type of molecular is NOT referred to be involved in the shown process?",
    "videos": [
      "./videos/Biology/5.mp4"
    ]
  },
  {
    "problem_id": "validation_610",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Low-key lighting to create a sense of suspense",
      "B. High-key lighting to produce even illumination",
      "C. Three-point lighting to highlight the subject",
      "D. Flood lighting to eliminate shadows",
      "E. Underlighting to create a grotesque effect"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following lighting techniques is most likely being used to enhance the mood of the scene?",
    "problem_reserved_text": "Which of the following lighting techniques is most likely being used to enhance the mood of the scene?",
    "videos": [
      "./videos/Art/8.mp4"
    ]
  },
  {
    "problem_id": "validation_611",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Nostalgia for nature in an urbanized environment",
      "B. Isolation of the individual within societal structures",
      "C. Inevitability of fate influencing human behavior",
      "D. Moral decay beneath a facade of affluence",
      "E. Predatory power dynamics and struggles for dominance"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following themes is most prominently suggested by the visual elements and character dynamics in the scene?",
    "problem_reserved_text": "Which of the following themes is most prominently suggested by the visual elements and character dynamics in the scene?",
    "videos": [
      "./videos/Art/8.mp4"
    ]
  },
  {
    "problem_id": "validation_612",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Nostalgia for nature in an urbanized environment",
      "B. Isolation of the individual within societal structures",
      "C. Inevitability of fate influencing human behavior",
      "D. Predatory power dynamics and struggles for dominance",
      "E. Conflict between traditional values and modern influences"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> which of the following themes is most prominently suggested by the visual elements and character dynamics in the scene?",
    "problem_reserved_text": "which of the following themes is most prominently suggested by the visual elements and character dynamics in the scene?",
    "videos": [
      "./videos/Art/8.mp4"
    ]
  },
  {
    "problem_id": "validation_613",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. High-key lighting with wide depth of field to convey a cheerful atmosphere",
      "B. Handheld camera with shaky movements to increase realism",
      "C. Use of wide-angle lenses and deep focus to emphasize the environment",
      "D. Low-key lighting with shallow depth of field to create a sense of intimacy and tension",
      "E. Time-lapse photography to depict the passage of time"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which cinematographic technique is most prominently used to create the film's visual style?",
    "problem_reserved_text": "Which cinematographic technique is most prominently used to create the film's visual style?",
    "videos": [
      "./videos/Art/9.mp4"
    ]
  },
  {
    "problem_id": "validation_614",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Photosynthesis",
      "B. Plate tectonics",
      "C. Atmospheric pressure",
      "D. Water cycle",
      "E. Global warming"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> what kind of phenomenon is showed in the video",
    "problem_reserved_text": "what kind of phenomenon is showed in the video",
    "videos": [
      "./videos/Geography/10.mp4"
    ]
  },
  {
    "problem_id": "validation_616",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Slower first, then faster",
      "B. Keep same",
      "C. Faster first, then slower",
      "D. Slower",
      "E. Faster"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How does the linear velocity of the left pointer change in the video?",
    "problem_reserved_text": "How does the linear velocity of the left pointer change in the video?",
    "videos": [
      "./videos/Mechanics/23.mp4"
    ]
  },
  {
    "problem_id": "validation_617",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Approximately 377 ft/min",
      "B. Approximately 188 ft/min",
      "C. Approximately 753 ft/min",
      "D. Approximately 113 ft/min",
      "E. Approximately 226 ft/min"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> In the video, what is the linear velocity, in feet per minute, of a point on the circumference of the larger circle?",
    "problem_reserved_text": "In the video, what is the linear velocity, in feet per minute, of a point on the circumference of the larger circle?",
    "videos": [
      "./videos/Mechanics/23.mp4"
    ]
  },
  {
    "problem_id": "validation_618",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The left disk has four times the rotational kinetic energy of the right one.",
      "B. The right disk has half the rotational kinetic energy of the left one.",
      "C. The right disk has one-fourth the rotational kinetic energy of the left one.",
      "D. Both two disks have the same rotational kinetic energy.",
      "E. Cannot be determined from the information given."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the given information about the rotational kinetic energies of the left disk and the right disk, which of the following statements is true?",
    "problem_reserved_text": "Based on the given information about the rotational kinetic energies of the left disk and the right disk, which of the following statements is true?",
    "videos": [
      "./videos/Mechanics/23.mp4"
    ]
  },
  {
    "problem_id": "validation_620",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Polysemy",
      "B. Synonymy",
      "C. Antonymy",
      "D. Metonymy",
      "E. Homophones"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the two flashcards shown in the video, which literary device is exemplified by the words and images presented?",
    "problem_reserved_text": "Based on the two flashcards shown in the video, which literary device is exemplified by the words and images presented?",
    "videos": [
      "./videos/Literature/6.mp4"
    ]
  },
  {
    "problem_id": "validation_621",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Laser light.",
      "B. Communication base station.",
      "C. Electromagnetic gun.",
      "D. Lightning rod.",
      "E. Optical fiber network."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> The phenomenon in the video is the principle of which of the following items?",
    "problem_reserved_text": "The phenomenon in the video is the principle of which of the following items?",
    "videos": [
      "./videos/Electromagnetism/25.mp4"
    ]
  },
  {
    "problem_id": "validation_622",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Charging of the metal ball through electrostatic induction.",
      "B. Generation of eddy currents due to electromagnetic induction.",
      "C. Electric field-induced air breakdown causing a spark discharge.",
      "D. Thermal conduction leading to ionization of air molecules.",
      "E. Magnetic field interaction causing Lorentz forces."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains the primary mechanism of the observed phenomenon?",
    "problem_reserved_text": "Which of the following best explains the primary mechanism of the observed phenomenon?",
    "videos": [
      "./videos/Electromagnetism/25.mp4"
    ]
  },
  {
    "problem_id": "validation_629",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A financial innovation method aimed at promoting homeownership for first-time buyers",
      "B. A social welfare policy mainly for low-income groups",
      "C. A government-led public housing security project",
      "D. A rental model that combines both residential and investment attributes",
      "E. An economic incentive program intended to boost short-term housing construction"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best describes the role of the system shown in the video in the economy?",
    "problem_reserved_text": "Which of the following best describes the role of the system shown in the video in the economy?",
    "videos": [
      "./videos/Economics/10.mp4"
    ]
  },
  {
    "problem_id": "validation_630",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The landlord can invest the large upfront payment elsewhere, earning additional returns alongside property appreciation.",
      "B. The landlord reduces transaction costs associated with collecting monthly rent payments from the tenant.",
      "C. The landlord shifts the risk of property depreciation to the tenant by holding the upfront payment.",
      "D. The landlord benefits from anticipated deflation, increasing the real value of the returned deposit.",
      "E. The landlord avoids taxation on rental income by not receiving periodic rent payments."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following economic rationales best explains why the landlord might prefer the approach shown in the video?",
    "problem_reserved_text": "Which of the following economic rationales best explains why the landlord might prefer the approach shown in the video?",
    "videos": [
      "./videos/Economics/10.mp4"
    ]
  },
  {
    "problem_id": "validation_632",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Deep sleep stages",
      "B. Light sleep stages",
      "C. REM",
      "D. Sleep paralysis",
      "E. none of the above"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What time period the phenomenon may have occurred?",
    "problem_reserved_text": "What time period the phenomenon may have occurred?",
    "videos": [
      "./videos/Clinical_Medicine/20.mp4"
    ]
  },
  {
    "problem_id": "validation_633",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Subnucleus magnocellularis of the medullary reticular formation",
      "B. Suprachiasmatic nucleus of the hypothalamus",
      "C. Ventrolateral preoptic nucleus",
      "D. Lateral hypothalamus producing orexin",
      "E. Thalamic reticular nucleus modulating sensory input"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the behavior frequently exhibited by the character with grass on their head as shown in the video, which neural structure is most likely to be dysfunctional in this character?",
    "problem_reserved_text": "Based on the behavior frequently exhibited by the character with grass on their head as shown in the video, which neural structure is most likely to be dysfunctional in this character?",
    "videos": [
      "./videos/Clinical_Medicine/20.mp4"
    ]
  },
  {
    "problem_id": "validation_634",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 120 minutes",
      "B. 216 minutes",
      "C. 60 minutes",
      "D. 180 minutes",
      "E. 240 minutes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video, the phenomenon exhibited by the character with grass on their head most likely occurs during a certain stage of sleep. If the character (an adult) sleeps for 8 hours in one night, approximately how many minutes are spent in this sleep stage?",
    "problem_reserved_text": "Based on the video, the phenomenon exhibited by the character with grass on their head most likely occurs during a certain stage of sleep. If the character (an adult) sleeps for 8 hours in one night, approximately how many minutes are spent in this sleep stage?",
    "videos": [
      "./videos/Clinical_Medicine/20.mp4"
    ]
  },
  {
    "problem_id": "validation_642",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Eosinophils",
      "B. Basophils",
      "C. Monocytes",
      "D. Primary lymphocyte",
      "E. Megakaryocytes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What are the precursors of the cells in the video?",
    "problem_reserved_text": "What are the precursors of the cells in the video?",
    "videos": [
      "./videos/Clinical_Medicine/21.mp4"
    ]
  },
  {
    "problem_id": "validation_643",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Lever effect",
      "B. Greenhouse effect",
      "C. Butterfly effect",
      "D. Doppler effect",
      "E. Amplification effect"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of effect is showed in the video?",
    "problem_reserved_text": "What kind of effect is showed in the video?",
    "videos": [
      "./videos/Geography/11.mp4"
    ]
  },
  {
    "problem_id": "validation_645",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Tidal wobble",
      "B. Geomagnetic wobble",
      "C. Nutation wobble",
      "D. Precession wobble",
      "E. Chandler wobble"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What phenomenon of exercise is reflected in the video? ",
    "problem_reserved_text": "What phenomenon of exercise is reflected in the video? ",
    "videos": [
      "./videos/Geography/12.mp4"
    ]
  },
  {
    "problem_id": "validation_647",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Metallic bonds",
      "B. Van der Waals bond",
      "C. Ionic bonds",
      "D. Covalent bonds",
      "E. Peptide bonds"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which type of bond is similar to the building blocks that the two boys are playing?",
    "problem_reserved_text": "Which type of bond is similar to the building blocks that the two boys are playing?",
    "videos": [
      "./videos/Modern_Physics/8.mp4"
    ]
  },
  {
    "problem_id": "validation_649",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The aluminum sheet on the right is a complete aluminum sheet. The induced current generated in the magnetic field is large, so the power it receives is large.",
      "B. The magnet on the left is weak and the aluminum sheet experiences weak resistance.",
      "C. The left aluminum sheet is a comb-shaped aluminum sheet. The induced current generated in the magnetic field is limited by the path, so it receives little resistance.",
      "D. The aluminum sheet on the right is a complete aluminum sheet. The induced current generated in the magnetic field is small, so the resistance it receives is small.",
      "E. The aluminum sheet on the right is a comb-shaped aluminum sheet. The induced eddy current is limited by the path, so it receives little resistance."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following description is correct about the motion of the two sheets in the video?",
    "problem_reserved_text": "Which of the following description is correct about the motion of the two sheets in the video?",
    "videos": [
      "./videos/Electrical_Engineering/23.mp4"
    ]
  },
  {
    "problem_id": "validation_650",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Democratic Leadership",
      "B. Laissez-faire Leadership",
      "C. Transactional Leadership",
      "D. Transformational Leadership",
      "E. Bureaucratic Leadership"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video, which of the following leadership styles is the businessman most likely demonstrating?",
    "problem_reserved_text": "Based on the video, which of the following leadership styles is the businessman most likely demonstrating?",
    "videos": [
      "./videos/Management/10.mp4"
    ]
  },
  {
    "problem_id": "validation_651",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Concrete Experience",
      "B. Reflective Observation",
      "C. Abstract Conceptualization",
      "D. Active Experimentation",
      "E. Application of Knowledge"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video, which stage of Kolb's experiential learning cycle is the businessman most likely facilitating?",
    "problem_reserved_text": "Based on the video, which stage of Kolb's experiential learning cycle is the businessman most likely facilitating?",
    "videos": [
      "./videos/Management/10.mp4"
    ]
  },
  {
    "problem_id": "validation_654",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. liquid",
      "B. solid",
      "C. gas",
      "D. colloid",
      "E. None of the above"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of the ball is in the start of the video?",
    "problem_reserved_text": "What kind of the ball is in the start of the video?",
    "videos": [
      "./videos/Modern_Physics/9.mp4"
    ]
  },
  {
    "problem_id": "validation_655",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Nuclear fission",
      "B. The photoelectric effect",
      "C. Classical fluid dynamics",
      "D. Wave-particle duality in the double-slit experiment",
      "E. Thermal diffusion of particles"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the described animation, which phenomenon in modern physics most closely aligns with the content shown in the video?",
    "problem_reserved_text": "Based on the described animation, which phenomenon in modern physics most closely aligns with the content shown in the video?",
    "videos": [
      "./videos/Modern_Physics/9.mp4"
    ]
  },
  {
    "problem_id": "validation_657",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Brush discharge",
      "B. Corona discharge",
      "C. Cone discharge",
      "D. Glow discharge",
      "E. High-frequency discharge"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which discharge phenomenon is demonstrated?",
    "problem_reserved_text": "Which discharge phenomenon is demonstrated?",
    "videos": [
      "./videos/Electromagnetism/26.mp4"
    ]
  },
  {
    "problem_id": "validation_659",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The potential energy of the steel ball in the magnetic field is converted into kinetic energy.",
      "B. The potential energy of the steel ball in the magnetic field is converted into gravitational potential energy.",
      "C. The gravitational potential energy of the steel ball is converted into kinetic energy and thermal energy.",
      "D. The potential energy of the steel ball in the magnetic field is converted into kinetic energy and gravitational potential energy.",
      "E. The gravitational potential energy of the steel ball is converted into heat energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What kind of energy transformation occurs in the video?",
    "problem_reserved_text": "What kind of energy transformation occurs in the video?",
    "videos": [
      "./videos/Electrical_Engineering/24.mp4"
    ]
  },
  {
    "problem_id": "validation_660",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gravitational potential energy is converted into kinetic energy due to the incline of the neck, causing the balls to roll and collide.",
      "B. The red line acts as a conductive path for electrical current, creating a magnetic field that propels the balls via electromagnetic induction.",
      "C. Elastic collisions between stationary and moving metal balls transfer kinetic energy sequentially, similar to a Newton's cradle.",
      "D. An external magnetic field applied along the neck magnetizes the balls, causing them to repel each other and propel the last ball.",
      "E. Magnetic potential energy stored in the aligned magnetic metal balls is converted into kinetic energy, accelerating the balls."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following best explains the observed phenomenon in the video?",
    "problem_reserved_text": "Which of the following best explains the observed phenomenon in the video?",
    "videos": [
      "./videos/Electrical_Engineering/24.mp4"
    ]
  },
  {
    "problem_id": "validation_662",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. First remain unchanged then decrease",
      "B. Both times decreased",
      "C. First decrease and then increase",
      "D. Both times increased",
      "E. First increase and then decrease"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How does the equivalent spring constant of the single-degree-of-freedom system shown in the video change?",
    "problem_reserved_text": "How does the equivalent spring constant of the single-degree-of-freedom system shown in the video change?",
    "videos": [
      "./videos/Mechanical_Engineering/23.mp4"
    ]
  },
  {
    "problem_id": "validation_663",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The natural frequency increases, and the maximum deflection decreases.",
      "B. The natural frequency decreases, and the maximum deflection increases.",
      "C. The natural frequency decreases, but the maximum deflection decreases.",
      "D. The natural frequency increases, but the maximum deflection increases.",
      "E. Both the natural frequency and maximum deflection remain unchanged."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Keeping the magnitude of the applied force constant, which of the following best describes the change in the natural frequency and the maximum deflection at the free end of the ruler in the third experiment, compared to the first experiment?",
    "problem_reserved_text": "Keeping the magnitude of the applied force constant, which of the following best describes the change in the natural frequency and the maximum deflection at the free end of the ruler in the third experiment, compared to the first experiment?",
    "videos": [
      "./videos/Mechanical_Engineering/23.mp4"
    ]
  },
  {
    "problem_id": "validation_664",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Decrease the overhanging length and increase the thickness of the ruler.",
      "B. Increase the overhanging length and decrease the density of the ruler's material.",
      "C. Increase the overhanging length and increase the width of the ruler.",
      "D. Increase the overhanging length and decrease the thickness of the ruler.",
      "E. Decrease the overhanging length and increase the density of the ruler's material."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following modifications would decrease the first natural frequency of vibrations in the video while simultaneously increasing the maximum bending stress at the fixed end during deflection?",
    "problem_reserved_text": "Which of the following modifications would decrease the first natural frequency of vibrations in the video while simultaneously increasing the maximum bending stress at the fixed end during deflection?",
    "videos": [
      "./videos/Mechanical_Engineering/23.mp4"
    ]
  },
  {
    "problem_id": "validation_668",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Negative feedback loop where increased evaporation leads to more cloud formation, reflecting sunlight.",
      "B. Positive feedback loop where reduced cloud cover decreases Earth's albedo, causing additional warming.",
      "C. Negative feedback loop where increased CO₂ stimulates plant growth, enhancing carbon sequestration.",
      "D. Positive feedback loop where reduced forest vegetation decreases transpiration, lowers local rainfall, and exacerbates forest dieback.",
      "E. Negative feedback loop where river flooding brings sediment deposition, improving soil fertility in riverine areas, promoting vegetation recovery, and reducing the occurrence of floods."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video description, which of the following climatic feedback mechanisms is most likely being illustrated?",
    "problem_reserved_text": "Based on the video description, which of the following climatic feedback mechanisms is most likely being illustrated?",
    "videos": [
      "./videos/Geography/13.mp4"
    ]
  },
  {
    "problem_id": "validation_670",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bigger first, then smaller",
      "B. Smaller first, then bigger",
      "C. Oscillates between bigger and smaller",
      "D. Bigger",
      "E. Smaller"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> How does the optical path difference changes in the video?",
    "problem_reserved_text": "How does the optical path difference changes in the video?",
    "videos": [
      "./videos/Modern_Physics/10.mp4"
    ]
  },
  {
    "problem_id": "validation_671",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Refraction of light within the acrylic causing lensing effects",
      "B. Total internal reflection within the acrylic sheet",
      "C. Scattering of light by the frosted surface causing diffuse reflection",
      "D. Polarization of light due to birefringence in the acrylic",
      "E. Diffraction of light leading to an Airy pattern"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> In the video, a red laser beam is directed onto a frosted acrylic sheet placed on a metal table. Which physical phenomenon best explains the pattern observed on the acrylic sheet?",
    "problem_reserved_text": "In the video, a red laser beam is directed onto a frosted acrylic sheet placed on a metal table. Which physical phenomenon best explains the pattern observed on the acrylic sheet?",
    "videos": [
      "./videos/Modern_Physics/10.mp4"
    ]
  },
  {
    "problem_id": "validation_672",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The Heisenberg Uncertainty Principle, illustrating the trade-off between position and momentum uncertainties.",
      "B. The Photoelectric Effect, where photons eject electrons from the surface.",
      "C. Einstein's Theory of Special Relativity, showing time dilation effects at high speeds.",
      "D. Blackbody Radiation Law, explaining energy distribution at different wavelengths.",
      "E. The Pauli Exclusion Principle, preventing identical fermions from occupying the same quantum state."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> In the video, a red laser beam is directed onto a frosted acrylic sheet placed on a metal table. According to modern physics principles, which fundamental principle does this experimental setup and its effect directly demonstrate?",
    "problem_reserved_text": "In the video, a red laser beam is directed onto a frosted acrylic sheet placed on a metal table. According to modern physics principles, which fundamental principle does this experimental setup and its effect directly demonstrate?",
    "videos": [
      "./videos/Modern_Physics/10.mp4"
    ]
  },
  {
    "problem_id": "validation_675",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Chromosome 3",
      "B. Chromosome 15",
      "C. Chromosome 17",
      "D. Chromosome 18",
      "E. Chromosome 21"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the video, which human chromosome is the disease associated with?",
    "problem_reserved_text": "Based on the video, which human chromosome is the disease associated with?",
    "videos": [
      "./videos/Basic_Medicine/19.mp4"
    ]
  },
  {
    "problem_id": "validation_677",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The algorithm builds a max heap from the unsorted data and repeatedly extracts the maximum element to build the sorted sequence.",
      "B. The algorithm recursively divides the array into halves, sorts each half, and then merges the sorted halves.",
      "C. The algorithm compares adjacent elements and swaps them if they are in the wrong order, causing larger elements to 'bubble up' to their correct positions.",
      "D. The algorithm builds the sorted sequence one element at a time by inserting each element into its correct position within the already sorted part of the array.",
      "E. The algorithm selects a pivot element and partitions the array into elements less than and greater than the pivot, recursively applying the same strategy to subarrays."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following statements best describes the algorithm used in the video?",
    "problem_reserved_text": "Which of the following statements best describes the algorithm used in the video?",
    "videos": [
      "./videos/Computer_Science/36.mp4"
    ]
  },
  {
    "problem_id": "validation_679",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Adipose cell",
      "B. Keratin",
      "C. DNA adjuvant",
      "D. Collagen",
      "E. Bioplastics"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What biomaterial is shown in the video?",
    "problem_reserved_text": "What biomaterial is shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/16.mp4"
    ]
  },
  {
    "problem_id": "validation_680",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Oliguria, azotemia, hyperkalemia, metabolic acidosis",
      "B. Hematuria, flank pain, urinary tract infection, renal stones, hypertension",
      "C. Hemorrhage, erythrocytosis, neoplasia",
      "D. Proteinuria, nephrotic syndrome, hypoalbuminemia, edema",
      "E. Salt wasting, polyuria, growth retardation, anemia"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What are the clinical features or complications of the disease shown in the video?",
    "problem_reserved_text": "What are the clinical features or complications of the disease shown in the video?",
    "videos": [
      "./videos/Basic_Medicine/20.mp4"
    ]
  },
  {
    "problem_id": "validation_683",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Intramuscular injection",
      "B. Mucosal administration",
      "C. Transdermal administration",
      "D. Inhalation administration",
      "E. Intravenous injection"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What method is shown in the video?",
    "problem_reserved_text": "What method is shown in the video?",
    "videos": [
      "./videos/Pharmacy/21.mp4"
    ]
  },
  {
    "problem_id": "validation_684",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. To stimulate blood circulation and enhance absorption of the lotion.",
      "B. To follow the natural lines of the skin and prevent skin irritation.",
      "C. To ensure even distribution and promote transdermal absorption of the active ingredient.",
      "D. To perform a lymphatic drainage massage along with lotion application.",
      "E. To relax the patient through sensory stimulation during application."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video, which of the following best explains the healthcare professional's behaviour?",
    "problem_reserved_text": "Based on the video, which of the following best explains the healthcare professional's behaviour?",
    "videos": [
      "./videos/Pharmacy/21.mp4"
    ]
  },
  {
    "problem_id": "validation_685",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The conservation of energy requires the coin to fall into the mug when the supporting card is removed.",
      "B. The friction between the coin and the card causes the coin to accelerate downward into the mug.",
      "C. The inertia of the coin keeps it at rest while the card is quickly removed, resulting in the coin falling straight down due to gravity.",
      "D. The air resistance acting on the card transfers momentum to the coin, causing it to fall into the mug.",
      "E. The decrease in air pressure beneath the coin when the card is removed causes the coin to be pushed into the mug."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which physical principle best explains why the coin falls into the mug?",
    "problem_reserved_text": "Which physical principle best explains why the coin falls into the mug?",
    "videos": [
      "./videos/Mechanics/24.mp4"
    ]
  },
  {
    "problem_id": "validation_687",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Impressionism",
      "B. Cubism",
      "C. Op Art",
      "D. Minimalism",
      "E. Kinetic Art"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following art movements does this device most closely align with?",
    "problem_reserved_text": "Which of the following art movements does this device most closely align with?",
    "videos": [
      "./videos/Art/10.mp4"
    ]
  },
  {
    "problem_id": "validation_689",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Two aluminum tubes are pulled in opposite directions.",
      "B. Two aluminum tubes are exposed to magnetic forces in the same direction in the same magnetic field.",
      "C. Two aluminum tubes carry current in the same direction.",
      "D. Two aluminum tubes are subjected to wind forces in opposite directions.",
      "E. Two aluminum tubes carry current in opposite directions."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following statements about the experiment in the video is true?",
    "problem_reserved_text": "Which of the following statements about the experiment in the video is true?",
    "videos": [
      "./videos/Electrical_Engineering/25.mp4"
    ]
  },
  {
    "problem_id": "validation_690",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The rods carry electric currents in opposite directions, resulting in a repulsive magnetic force between them according to Ampère's force law.",
      "B. The rods carry electric currents in the same direction, resulting in an attractive magnetic force between them according to Ampère's force law.",
      "C. The rods become similarly charged due to static electricity, causing them to repel each other according to Coulomb's law.",
      "D. The rods induce opposing currents in each other due to electromagnetic induction, leading to repulsion as described by Lenz's law.",
      "E. The rods create eddy currents in a surrounding magnetic field, causing a repulsive force according to Faraday's law of induction."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following best explains the observed phenomenon?",
    "problem_reserved_text": "Which of the following best explains the observed phenomenon?",
    "videos": [
      "./videos/Electrical_Engineering/25.mp4"
    ]
  },
  {
    "problem_id": "validation_691",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Vaccinate all domestic animals in the vicinity.",
      "B. Require all local residents to wear protective clothing.",
      "C. Report the suspected case to public health authorities immediately.",
      "D. Begin environmental decontamination procedures.",
      "E. Launch a community awareness campaign about pet nutrition."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the scenario presented in the video, which of the following public health interventions should be implemented soonest?",
    "problem_reserved_text": "Based on the scenario presented in the video, which of the following public health interventions should be implemented soonest?",
    "videos": [
      "./videos/Preventive_Medicine/9.mp4"
    ]
  },
  {
    "problem_id": "validation_692",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Brucellosis",
      "B. Rabies",
      "C. Toxoplasmosis",
      "D. Leptospirosis",
      "E. Anthrax"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following diseases is the most likely cause of this condition?",
    "problem_reserved_text": "Which of the following diseases is the most likely cause of this condition?",
    "videos": [
      "./videos/Preventive_Medicine/9.mp4"
    ]
  },
  {
    "problem_id": "validation_695",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The weight of the disc affects its motion the most.",
      "B. The disc moves for a longer duration compared to the ring.",
      "C. The ring experiences gravity and friction during its motion.",
      "D. The disc accelerates upward along the slope.",
      "E. The ring accelerates more quickly due to having less surface contact."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Ignoring the air resistance, what is correct with the motion of the disc and ring in the video?",
    "problem_reserved_text": "Ignoring the air resistance, what is correct with the motion of the disc and ring in the video?",
    "videos": [
      "./videos/Mechanics/25.mp4"
    ]
  },
  {
    "problem_id": "validation_699",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. AVL tree",
      "B. Linked list",
      "C. Binary search tree",
      "D. Graph",
      "E. Heap"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> what kind of data structure is looked like the simulation in the video?",
    "problem_reserved_text": "what kind of data structure is looked like the simulation in the video?",
    "videos": [
      "./videos/Computer_Science/37.mp4"
    ]
  },
  {
    "problem_id": "validation_700",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Glycopyrrolate",
      "B. Amoxicillin",
      "C. Ibuprofen",
      "D. Aspirin",
      "E. Lisinopril"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following drugs can suppress the symptoms in the video?",
    "problem_reserved_text": "Which of the following drugs can suppress the symptoms in the video?",
    "videos": [
      "./videos/Pharmacy/22.mp4"
    ]
  },
  {
    "problem_id": "validation_703",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. An FM signal whose spectrum contains only the carrier and sidebands at multiples of the modulating frequency.",
      "B. An AM signal with a carrier frequency of 500 kHz and a modulating frequency of 20 kHz.",
      "C. A PM (Phase Modulated) signal with a square wave modulating signal.",
      "D. A continuous-wave FM signal with a sinusoidal modulating signal.",
      "E. A signal that alternates between two discrete frequencies, effectively creating an FSK signal at 450 kHz and 550 kHz."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following best describes the nature of the modulated signal produced under these settings in the video?",
    "problem_reserved_text": "Which of the following best describes the nature of the modulated signal produced under these settings in the video?",
    "videos": [
      "./videos/Electronics_and_Communication/17.mp4"
    ]
  },
  {
    "problem_id": "validation_707",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Mullerian mimicry",
      "B. polymorphism",
      "C. aposematism",
      "D. Batesian mimicry",
      "E. crypsis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What kind of coloration is shown in the video?",
    "problem_reserved_text": "What kind of coloration is shown in the video?",
    "videos": [
      "./videos/Biology/7.mp4"
    ]
  },
  {
    "problem_id": "validation_708",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Melanophores and neuromasts",
      "B. Iridophores and statocysts",
      "C. Photophores and hydrostatic skeleton",
      "D. Chromatophores and dermal papillae",
      "E. Melanocytes and osteoderms"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which combination of specialized cells and structures allows the bahavior of the animal?",
    "problem_reserved_text": "Which combination of specialized cells and structures allows the bahavior of the animal?",
    "videos": [
      "./videos/Biology/7.mp4"
    ]
  },
  {
    "problem_id": "validation_710",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Heterogeneous transmission",
      "B. Geographical isolation",
      "C. Gene drive",
      "D. Natural selection",
      "E. Climate impact"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What phenomenon is reflected in the video?",
    "problem_reserved_text": "What phenomenon is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/17.mp4"
    ]
  },
  {
    "problem_id": "validation_711",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. cohesion coefficient",
      "B. slope geometry",
      "C. soil properties",
      "D. angle",
      "E. plasticity index"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which metric is used to measure slope stability of different materials in the video?",
    "problem_reserved_text": "Which metric is used to measure slope stability of different materials in the video?",
    "videos": [
      "./videos/Civil_Engineering/23.mp4"
    ]
  },
  {
    "problem_id": "validation_713",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Medication",
      "B. Chemotherapy",
      "C. Physiotherapy",
      "D. Image-guided surgery",
      "E. Radiation therapy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of treatment technology is shown in the video?",
    "problem_reserved_text": "What kind of treatment technology is shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/18.mp4"
    ]
  },
  {
    "problem_id": "validation_714",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Genu valgum (knock-knee)",
      "B. Genu recurvatum (knee hyperextension)",
      "C. Genu varum (bow-leg)",
      "D. Femoral anteversion",
      "E. External tibial torsion"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following deformities is most likely being corrected?",
    "problem_reserved_text": "Which of the following deformities is most likely being corrected?",
    "videos": [
      "./videos/Biomedical_Engineering/18.mp4"
    ]
  },
  {
    "problem_id": "validation_715",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 500 mg every 8 hours",
      "B. 250 mg every 8 hours",
      "C. 500 mg every 12 hours",
      "D. 250 mg every 12 hours",
      "E. Amoxicillin is contraindicated in renal impairment for this patient"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following dosing regimens is most appropriate for this patient in the video?",
    "problem_reserved_text": "Which of the following dosing regimens is most appropriate for this patient in the video?",
    "videos": [
      "./videos/Pharmacy/23.mp4"
    ]
  },
  {
    "problem_id": "validation_716",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Market Culture",
      "B. Hierarchy Culture",
      "C. Clan Culture",
      "D. Adhocracy Culture",
      "E. Divisional Culture"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video description, which type of organizational culture is most likely being exhibited at the conference?",
    "problem_reserved_text": "Based on the video description, which type of organizational culture is most likely being exhibited at the conference?",
    "videos": [
      "./videos/Management/11.mp4"
    ]
  },
  {
    "problem_id": "validation_718",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. High viscosity to resist flow and enhance thermal conductivity.",
      "B. Low specific heat capacity to rapidly change temperature with small heat input.",
      "C. High boiling point to remain liquid under heating and prevent vaporization.",
      "D. Minimal coefficient of thermal expansion to maintain volume despite temperature changes.",
      "E. Low boiling point and high coefficient of thermal expansion to vaporize and expand readily with small heat input."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Considering thermodynamic principles, which of the following properties must the red liquid possess to enable this continuous cycling behavior in the apparatus?",
    "problem_reserved_text": "Considering thermodynamic principles, which of the following properties must the red liquid possess to enable this continuous cycling behavior in the apparatus?",
    "videos": [
      "./videos/Thermodynamics/9.mp4"
    ]
  },
  {
    "problem_id": "validation_719",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The devices operate based on the Seebeck effect, converting thermal gradients directly into electrical energy to drive motion.",
      "B. Atmospheric pressure fluctuations cause periodic compression and expansion of the gas above the liquid, leading to the cycling motion.",
      "C. Evaporation at one end and heating at the other create a temperature difference, causing vapor pressure changes that drive the liquid movement.",
      "D. Thermal expansion of the liquid due to uniform heating causes the liquid to rise and fall cyclically in the apparatus.",
      "E. The devices function as closed-cycle heat engines operating between two thermal reservoirs, converting heat into work via the Stirling cycle."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains the fundamental thermodynamic principle responsible for the continuous cycling motion observed in both devices?",
    "problem_reserved_text": "Which of the following best explains the fundamental thermodynamic principle responsible for the continuous cycling motion observed in both devices?",
    "videos": [
      "./videos/Thermodynamics/9.mp4"
    ]
  },
  {
    "problem_id": "validation_720",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Stay still",
      "B. Ring slides up slower, disc slides up faster",
      "C. Ring slides up faster, disc slides up slower",
      "D. Ring falls faster, disc falls slower",
      "E. Falling at the same speed"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What are the relative tendencies of the ring and disc on the board in the video? ",
    "problem_reserved_text": "What are the relative tendencies of the ring and disc on the board in the video? ",
    "videos": [
      "./videos/Mechanics/26.mp4"
    ]
  },
  {
    "problem_id": "validation_721",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The wooden object reaches the bottom before the metal object, and a greater fraction of its total kinetic energy is rotational than that of the metal object.",
      "B. Both reach the bottom at the same time, but the metal object has less total kinetic energy than the wooden object.",
      "C. The wooden object reaches the bottom before the metal object, and a greater fraction of its total kinetic energy is translational than that of the metal object.",
      "D. The metal object reaches the bottom before the wooden object, and both have the same distribution between rotational and translational kinetic energy.",
      "E. Both reach the bottom at the same time, and the wooden object has more rotational kinetic energy than the metal object."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following statements is correct regarding their motion and the distribution of their kinetic energy at the bottom?",
    "problem_reserved_text": "Which of the following statements is correct regarding their motion and the distribution of their kinetic energy at the bottom?",
    "videos": [
      "./videos/Mechanics/26.mp4"
    ]
  },
  {
    "problem_id": "validation_722",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Pathogenesis",
      "B. Diagnosis",
      "C. Etiology",
      "D. Prognosis",
      "E. Morphologic changes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> There are four aspects of a disease process that form the core of pathology. Which of these does the video show? ",
    "problem_reserved_text": "There are four aspects of a disease process that form the core of pathology. Which of these does the video show? ",
    "videos": [
      "./videos/Basic_Medicine/21.mp4"
    ]
  },
  {
    "problem_id": "validation_724",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. branch and bound",
      "B. backtracking",
      "C. greedy algorithm",
      "D. Dynamic programming",
      "E. divide and conquer"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What kind of idea of algorithm is used in solving the problem in the video?",
    "problem_reserved_text": "What kind of idea of algorithm is used in solving the problem in the video?",
    "videos": [
      "./videos/Computer_Science/39.mp4"
    ]
  },
  {
    "problem_id": "validation_725",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. This code assigns equal-length codes to all symbols to ensure uniformity.",
      "B. This code is a prefix code that is optimal for the given symbol frequencies.",
      "C. This code may produce codes that are not uniquely decodable without additional information.",
      "D. This code requires that symbol frequencies are integers and powers of two.",
      "E. This code assigns longer codewords to symbols with higher frequency to balance the tree."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following statements correctly describes a property of this coding process?",
    "problem_reserved_text": "Which of the following statements correctly describes a property of this coding process?",
    "videos": [
      "./videos/Computer_Science/39.mp4"
    ]
  },
  {
    "problem_id": "validation_726",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. When multiple symbols have the same frequency, the structure of the coding tree and the resulting codes can vary, leading to different possible optimal codes.",
      "B. When multiple symbols have the same frequency, the coding assigns identical codewords to those symbols, causing ambiguity.",
      "C. When multiple symbols have the same frequency, the coding becomes inefficient and does not minimize the average code length.",
      "D. When multiple symbols have the same frequency, the coding must utilize fixed-length codes for those symbols.",
      "E. When multiple symbols have the same frequency, the coding requires additional prefix bits to distinguish among them."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following statements correctly describes a potential issue when multiple symbols have the same frequency in the shown coding algorithm?",
    "problem_reserved_text": "Which of the following statements correctly describes a potential issue when multiple symbols have the same frequency in the shown coding algorithm?",
    "videos": [
      "./videos/Computer_Science/39.mp4"
    ]
  },
  {
    "problem_id": "validation_727",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Fixed-length binary code needs 5 bits; The coding algorithm in the video needs 5 bits",
      "B. Fixed-length binary code needs 10 bits; The coding algorithm in the video needs 6 bits",
      "C. Fixed-length binary code needs 15 bits; The coding algorithm in the video needs 12 bits",
      "D. Fixed-length binary code needs 20 bits; The coding algorithm in the video needs 15 bits",
      "E. Fixed-length binary code needs 20 bits; The coding algorithm in the video needs 16 bits"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Assuming we encode the unique letters using a fixed-length binary code instead, which of the following correctly states the number of bits required to encode 'PETER'?  What is the number of bits required to encode 'PETER' using the coding algorithm in the video?",
    "problem_reserved_text": "Assuming we encode the unique letters using a fixed-length binary code instead, which of the following correctly states the number of bits required to encode 'PETER'?  What is the number of bits required to encode 'PETER' using the coding algorithm in the video?",
    "videos": [
      "./videos/Computer_Science/39.mp4"
    ]
  },
  {
    "problem_id": "validation_729",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. involves applying physical barriers and membranes",
      "B. uses heat to evaporate excess moisture from the soil",
      "C. employs pressure grouting techniques to displace water from soil",
      "D. relies on chemical treatments to solidify the soil and reduce moisture content",
      "E. involves lowering the groundwater level using pumps or drainage systems"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is the primary method used for dewatering in the video?",
    "problem_reserved_text": "What is the primary method used for dewatering in the video?",
    "videos": [
      "./videos/Civil_Engineering/24.mp4"
    ]
  },
  {
    "problem_id": "validation_730",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Soil instability and potential for differential settlement due to rapid dewatering altering pore water pressures in surrounding foundation soils.",
      "B. Contamination of groundwater from pollutants dispersed during pumping operations.",
      "C. Increased external hydrostatic pressure on basement walls leading to structural failure as internal water is removed.",
      "D. Interference with underground utilities such as gas lines and electrical conduits during the placement of pumps and hoses.",
      "E. Legal liability arising from discharging pumped water into public waterways without proper permits."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the scenario shown in the video, which of the following potential risks should be the most immediate concern for civil engineers overseeing the operation?",
    "problem_reserved_text": "Based on the scenario shown in the video, which of the following potential risks should be the most immediate concern for civil engineers overseeing the operation?",
    "videos": [
      "./videos/Civil_Engineering/24.mp4"
    ]
  },
  {
    "problem_id": "validation_733",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Modulating Ion Channels",
      "B. Inhibiting Acid Production",
      "C. Increasing Dopamine Levels",
      "D. Blocking Calcium Channels",
      "E. Stimulating Beta-Adrenergic Receptors"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What is the mechanism of action of using drugs to relieve this symptom?",
    "problem_reserved_text": "What is the mechanism of action of using drugs to relieve this symptom?",
    "videos": [
      "./videos/Pharmacy/24.mp4"
    ]
  },
  {
    "problem_id": "validation_734",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Reacts vigorously with air",
      "B. soluble in oil",
      "C. black color",
      "D. Soft Alkali metal",
      "E. Insoluble in water"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the phenomena observed in the video, which of the following options does describe a physical property of the solid substance?",
    "problem_reserved_text": "Based on the phenomena observed in the video, which of the following options does describe a physical property of the solid substance?",
    "videos": [
      "./videos/Chemistry/9.mp4"
    ]
  },
  {
    "problem_id": "validation_735",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. To determine the hardness of the solid substance.",
      "B. To test if the solid substance reacts chemically when electrified.",
      "C. To demonstrate the magnetic properties of the solid substance.",
      "D. To test the electrical conductivity of the solid substance.",
      "E. To observe if the solid substance emits light when electrically stimulated."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the observations described in the video, what was the primary purpose of using the small electrical device during the experiment?",
    "problem_reserved_text": "Based on the observations described in the video, what was the primary purpose of using the small electrical device during the experiment?",
    "videos": [
      "./videos/Chemistry/9.mp4"
    ]
  },
  {
    "problem_id": "validation_736",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The solid is magnesium; it reacts with water producing hydrogen gas and magnesium dihydroxide, and the liquid in the beaker is an acid-base indicator turning color indicating a basic solution.",
      "B. The solid is sodium; it reacts with water producing hydrogen gas and sodium hydroxide, and the liquid in the beaker is acid-base indicator indicating a basic solution.",
      "C. The solid is zinc; it reacts slowly with water producing hydrogen gas, and the liquid in the beaker is an indicator showing the formation of a neutral solution.",
      "D. The solid is phosphorus; it reacts with water producing phosphine gas, and the liquid in the beaker indicates the presence of a phosphorous acid.",
      "E. The solid is iron; it does not react significantly with water, and the liquid in the beaker is an indicator detecting iron ions in solution."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following best explains the reactions in the video?",
    "problem_reserved_text": "Which of the following best explains the reactions in the video?",
    "videos": [
      "./videos/Chemistry/9.mp4"
    ]
  },
  {
    "problem_id": "validation_738",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The temperature at point T3 is always the highest",
      "B. The ambient temperature greatly influences the shown process",
      "C. Temperature of the prepreg during the process not exceeding 100 degrees Celsius",
      "D. No gas emissions occur during the process",
      "E. The mold is made of ceramic material to enhance oxidation resistance"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which is incorrect about the shown process?",
    "problem_reserved_text": "Which is incorrect about the shown process?",
    "videos": [
      "./videos/Materials_Science/10.mp4"
    ]
  },
  {
    "problem_id": "validation_739",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The first two balls are magnet balls. There are magnets under the tube, and the balls are driven downward.",
      "B. The second time the two small balls are magnet balls, there are magnets under the tube, and the small balls are subject to upward resistance.",
      "C. The second time, the two small balls are magnet balls. During the falling process, the aluminum tube generates eddy currents, and the small balls experience upward resistance.",
      "D. The first two small balls are magnet balls. During the falling process, the aluminum tube generates eddy currents, and the small balls receive downward momentum.",
      "E. In the second experiment, the magnetic tube was replaced, and the ball was subjected to an upward magnetic force."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Why did the two balls fall slower in the second experiment than in the first?",
    "problem_reserved_text": "Why did the two balls fall slower in the second experiment than in the first?",
    "videos": [
      "./videos/Electrical_Engineering/26.mp4"
    ]
  },
  {
    "problem_id": "validation_741",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 4",
      "B. 1",
      "C. 2",
      "D. 0",
      "E. 3"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> In the four words in the video, how many bound morphemes are there?",
    "problem_reserved_text": "In the four words in the video, how many bound morphemes are there?",
    "videos": [
      "./videos/Literature/8.mp4"
    ]
  },
  {
    "problem_id": "validation_743",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Upper",
      "B. Neither Upper or Lower",
      "C. Lower",
      "D. Both Upper and Lower",
      "E. Delayed"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which movement of time dilation at the end of the video is similar to the time dilation of B at the start of video?",
    "problem_reserved_text": "Which movement of time dilation at the end of the video is similar to the time dilation of B at the start of video?",
    "videos": [
      "./videos/Modern_Physics/13.mp4"
    ]
  },
  {
    "problem_id": "validation_744",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 0.6 hours",
      "B. 0.8 hours",
      "C. 1.0 hour",
      "D. 1.25 hours",
      "E. 1.67 hours"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> From Earth, one of the figures, A or B, remains stationary, while the other moves at 0.8 times the speed of light (0.8c). If B's stopwatch shows that 1 hour has passed, how much time has elapsed on A's stopwatch due to the time dilation effect in special relativity?",
    "problem_reserved_text": "From Earth, one of the figures, A or B, remains stationary, while the other moves at 0.8 times the speed of light (0.8c). If B's stopwatch shows that 1 hour has passed, how much time has elapsed on A's stopwatch due to the time dilation effect in special relativity?",
    "videos": [
      "./videos/Modern_Physics/13.mp4"
    ]
  },
  {
    "problem_id": "validation_746",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. autoimmune response",
      "B. food allergy",
      "C. food intolerance",
      "D. histamine deficiency",
      "E. none of the above"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is the most likely cause of this reaction in the body?",
    "problem_reserved_text": "What is the most likely cause of this reaction in the body?",
    "videos": [
      "./videos/Clinical_Medicine/24.mp4"
    ]
  },
  {
    "problem_id": "validation_747",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Interleukin-2 (IL-2)",
      "B. Interleukin-4 (IL-4)",
      "C. Interleukin-5 (IL-5)",
      "D. Interleukin-10 (IL-10)",
      "E. Interleukin-12 (IL-12)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the immune response and symptoms demonstrated in the video, and considering the underlying immune mechanisms, which interleukin plays a dominant role in this process and finally contributes to the symptoms?",
    "problem_reserved_text": "Based on the immune response and symptoms demonstrated in the video, and considering the underlying immune mechanisms, which interleukin plays a dominant role in this process and finally contributes to the symptoms?",
    "videos": [
      "./videos/Clinical_Medicine/24.mp4"
    ]
  },
  {
    "problem_id": "validation_748",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Reference object",
      "B. Real image",
      "C. Apparent image",
      "D. Control variable",
      "E. Virtual image"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which role the right thing at the start of the video plays in the experiment later?",
    "problem_reserved_text": "Which role the right thing at the start of the video plays in the experiment later?",
    "videos": [
      "./videos/Modern_Physics/14.mp4"
    ]
  },
  {
    "problem_id": "validation_749",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Reflective system",
      "B. Emotional Reactions",
      "C. Cognitive biases",
      "D. Decision Pressure",
      "E. Reactive system"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following most likely represents how brain process information in the video?",
    "problem_reserved_text": "Which of the following most likely represents how brain process information in the video?",
    "videos": [
      "./videos/Management/12.mp4"
    ]
  },
  {
    "problem_id": "validation_750",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Reward Power",
      "B. Expert Power",
      "C. Legitimate Power",
      "D. Referent Power",
      "E. Informational Power"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the video, which type of social power is the woman pointing at the document most likely exercising over the seated woman?",
    "problem_reserved_text": "Based on the video, which type of social power is the woman pointing at the document most likely exercising over the seated woman?",
    "videos": [
      "./videos/Management/12.mp4"
    ]
  },
  {
    "problem_id": "validation_751",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Rational Persuasion",
      "B. Inspirational Appeal",
      "C. Ingratiation",
      "D. Personal Appeal",
      "E. Exchange"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video description, which influence tactic is the woman pointing at the document most likely using to influence the seated woman?",
    "problem_reserved_text": "Based on the video description, which influence tactic is the woman pointing at the document most likely using to influence the seated woman?",
    "videos": [
      "./videos/Management/12.mp4"
    ]
  },
  {
    "problem_id": "validation_752",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Tesla",
      "B. Newton",
      "C. Einstein",
      "D. Faraday",
      "E. Schrodinger"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which scientist discovered the phenomenon in the video?",
    "problem_reserved_text": "Which scientist discovered the phenomenon in the video?",
    "videos": [
      "./videos/Mechanics/27.mp4"
    ]
  },
  {
    "problem_id": "validation_755",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Dissolve",
      "B. Hydrolyze",
      "C. Fission",
      "D. Degrade",
      "E. self-assembly"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What process of molecules is shown in the video?",
    "problem_reserved_text": "What process of molecules is shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/19.mp4"
    ]
  },
  {
    "problem_id": "validation_756",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Electrostatic repulsion between charged particles",
      "B. Thermal diffusion leading to particle dispersion",
      "C. Molecular self-assembly driven by non-covalent interactions",
      "D. Mechanical fragmentation due to shear forces",
      "E. Chemical decomposition through hydrolysis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following phenomena is most likely being demonstrated?",
    "problem_reserved_text": "Which of the following phenomena is most likely being demonstrated?",
    "videos": [
      "./videos/Biomedical_Engineering/19.mp4"
    ]
  },
  {
    "problem_id": "validation_758",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Physiotherapy",
      "B. Chemotherapy",
      "C. Radiotherapy",
      "D. Immunotherapy",
      "E. Surgery"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What treatment is used in the video?",
    "problem_reserved_text": "What treatment is used in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/20.mp4"
    ]
  },
  {
    "problem_id": "validation_759",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Development of synthetic antibiotics that bypass bacterial resistance mechanisms.",
      "B. Application of nanotechnology to deliver drugs directly to bacterial cells.",
      "C. Ex vivo expansion of macrophages to boost the patient's innate immune response.",
      "D. Utilization of CRISPR-Cas9 gene editing to modify bacterial genomes in vivo.",
      "E. Administration of bacteriophages engineered to target specific bacteria."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best describes the shown biomedical engineering approach?",
    "problem_reserved_text": "Which of the following best describes the shown biomedical engineering approach?",
    "videos": [
      "./videos/Biomedical_Engineering/20.mp4"
    ]
  },
  {
    "problem_id": "validation_760",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Development of bacteriophage therapy to specifically lyse bacterial cells, offering targeted action without affecting human cells.",
      "B. Utilization of monoclonal antibodies to neutralize bacterial toxins, providing passive immunity.",
      "C. Application of gene editing techniques to modify patient T-cells to recognize bacterial antigens.",
      "D. Engineering of antimicrobial nanoparticles that disrupt bacterial cell walls, reducing antibiotic resistance.",
      "E. Ex vivo expansion and reinfusion of macrophages to enhance innate immunity, directly phagocytosing bacteria."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which biomedical engineering strategy is being employed, and what is the primary advantage of this approach?",
    "problem_reserved_text": "Which biomedical engineering strategy is being employed, and what is the primary advantage of this approach?",
    "videos": [
      "./videos/Biomedical_Engineering/20.mp4"
    ]
  },
  {
    "problem_id": "validation_762",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. cannot be seen from the video",
      "B. bidirectional",
      "C. omnidirectional",
      "D. unidirectional",
      "E. circular"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> In what directions can the AGV in the video travel?",
    "problem_reserved_text": "In what directions can the AGV in the video travel?",
    "videos": [
      "./videos/Mechanical_Engineering/24.mp4"
    ]
  },
  {
    "problem_id": "validation_764",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 21:9",
      "B. 3:1",
      "C. 4:3",
      "D. 30:9",
      "E. 2:1"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What kind of size of screen is best fit for the movie showed in the image",
    "problem_reserved_text": "What kind of size of screen is best fit for the movie showed in the image",
    "videos": [
      "./videos/Art/12.mp4"
    ]
  },
  {
    "problem_id": "validation_765",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Alfred Hitchcock",
      "B. Wes Anderson",
      "C. Federico Fellini",
      "D. Orson Welles",
      "E. Jean-Luc Godard"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which filmmaker's style is most evidently reflected in the visual presentation of this scene?",
    "problem_reserved_text": "Which filmmaker's style is most evidently reflected in the visual presentation of this scene?",
    "videos": [
      "./videos/Art/12.mp4"
    ]
  },
  {
    "problem_id": "validation_766",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 1.37:1 (Standard 4:3)",
      "B. 2.35:1 (CinemaScope Widescreen)",
      "C. 1.85:1 (Modern Widescreen)",
      "D. 16:9 (HDTV Standard)",
      "E. 2:1 (Univisium)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which aspect ratio would be most appropriate for displaying the scene described?",
    "problem_reserved_text": "Which aspect ratio would be most appropriate for displaying the scene described?",
    "videos": [
      "./videos/Art/12.mp4"
    ]
  },
  {
    "problem_id": "validation_771",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Flow slower",
      "B. Accumulate outside the neuron",
      "C. Flow normally",
      "D. Stop flow",
      "E. Flow faster"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Considering this video shows an action potential of a neuron, If tetraethylammonium is applied to the neuron in this video, what will happen to the blue ion?",
    "problem_reserved_text": "Considering this video shows an action potential of a neuron, If tetraethylammonium is applied to the neuron in this video, what will happen to the blue ion?",
    "videos": [
      "./videos/Neurobiology/25.mp4"
    ]
  },
  {
    "problem_id": "validation_772",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Blue dots would accumulate inside the neuron, leading to depolarization.",
      "B. Blue dots would be actively transported out of the neuron faster, causing hyperpolarization.",
      "C. Yellow dots would accumulate inside the neuron, leading to depolarization.",
      "D. Yellow dots would be actively transported out of the neuron faster, causing hyperpolarization.",
      "E. Yellow dots would begin to flow out of the neuron passively, reversing their normal direction."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video depicting ion movement across a neuronal membrane during an action potential, if ouabain is applied to the neuron in this video, which of the following is most likely to occur to the dots after prolonged exposure?",
    "problem_reserved_text": "Based on the video depicting ion movement across a neuronal membrane during an action potential, if ouabain is applied to the neuron in this video, which of the following is most likely to occur to the dots after prolonged exposure?",
    "videos": [
      "./videos/Neurobiology/25.mp4"
    ]
  },
  {
    "problem_id": "validation_776",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gastric cancer",
      "B. Chronic obstructive lung disease",
      "C. Bladder cancer",
      "D. Hypertension",
      "E. Lung cancer"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> The video shows the development of a bad lifestyle associated with a variety of diseases, which is the most related?",
    "problem_reserved_text": "The video shows the development of a bad lifestyle associated with a variety of diseases, which is the most related?",
    "videos": [
      "./videos/Basic_Medicine/22.mp4"
    ]
  },
  {
    "problem_id": "validation_778",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. expansion",
      "B. trough",
      "C. stagnation",
      "D. contraction",
      "E. recession"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> The scene depicted in the video is most likely to occur in which stage of the economic cycle?",
    "problem_reserved_text": "The scene depicted in the video is most likely to occur in which stage of the economic cycle?",
    "videos": [
      "./videos/Economics/12.mp4"
    ]
  },
  {
    "problem_id": "validation_779",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Utilities",
      "B. Consumer Staples",
      "C. Healthcare",
      "D. Basic Materials",
      "E. Consumer Discretionary"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the economic activity depicted in the video, which of the following sectors is an equity analyst most likely to recommend overweighting in an investment portfolio?",
    "problem_reserved_text": "Based on the economic activity depicted in the video, which of the following sectors is an equity analyst most likely to recommend overweighting in an investment portfolio?",
    "videos": [
      "./videos/Economics/12.mp4"
    ]
  },
  {
    "problem_id": "validation_780",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Lower inflation expectations; Basic Materials sector.",
      "B. Higher consumer confidence levels; Consumer Discretionary sector.",
      "C. Increased unemployment rates; Healthcare sector.",
      "D. Decreased GDP growth forecasts; Utilities sector.",
      "E. Anticipated interest rate cuts; Financial Services sector."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the urban scene depicted in the video, an economic analyst is preparing a forecast. Considering these observations, which of the following is the analyst most likely to adjust upward in their economic model, and which sector is expected to benefit the most from this adjustment?",
    "problem_reserved_text": "Based on the urban scene depicted in the video, an economic analyst is preparing a forecast. Considering these observations, which of the following is the analyst most likely to adjust upward in their economic model, and which sector is expected to benefit the most from this adjustment?",
    "videos": [
      "./videos/Economics/12.mp4"
    ]
  },
  {
    "problem_id": "validation_783",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gastric dissolution and physical interaction of concurrently administered oral medications",
      "B. Intestinal absorption of orally administered drugs",
      "C. Metabolic degradation of drugs by stomach acid",
      "D. Enzymatic activation of prodrugs in the gastrointestinal tract",
      "E. Biliary excretion of drugs and enterohepatic recirculation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video, which of the following processes is most directly illustrated the importance of potential drug-drug interactions?",
    "problem_reserved_text": "Based on the video, which of the following processes is most directly illustrated the importance of potential drug-drug interactions?",
    "videos": [
      "./videos/Pharmacy/25.mp4"
    ]
  },
  {
    "problem_id": "validation_785",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. divide and conquer",
      "B. greedy algorithm",
      "C. linear programming",
      "D. dynamic programming",
      "E. genetic algorithm"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of idea is used in the video to pack these books in possibly fewer packages?",
    "problem_reserved_text": "What kind of idea is used in the video to pack these books in possibly fewer packages?",
    "videos": [
      "./videos/Computer_Science/42.mp4"
    ]
  },
  {
    "problem_id": "validation_787",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Symmetry",
      "B. Redundancy",
      "C. Latency",
      "D. Specificity",
      "E. Scalability"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which characteristic of digital communication is shown in the video? ",
    "problem_reserved_text": "Which characteristic of digital communication is shown in the video? ",
    "videos": [
      "./videos/Electronics_and_Communication/19.mp4"
    ]
  },
  {
    "problem_id": "validation_788",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ring topology facing a single point of failure causing network disruption.",
      "B. Tree topology suffering from network congestion due to high bandwidth usage from numerous connected devices.",
      "C. Mesh topology encountering complex routing leading to increased latency.",
      "D. Star topology with central hub overload causing network bottleneck.",
      "E. Hybrid topology causing compatibility issues between different network segments."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the network structure described in the video and the issue encountered at the end of the task, what is the most likely network problem?",
    "problem_reserved_text": "Based on the network structure described in the video and the issue encountered at the end of the task, what is the most likely network problem?",
    "videos": [
      "./videos/Electronics_and_Communication/19.mp4"
    ]
  },
  {
    "problem_id": "validation_791",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 2Li+2H2O->2LiOH+H2",
      "B. Ba+2H2O->Ba(OH)2+H2",
      "C. Ca+2H2O->Ca(OH)2+H2",
      "D. Fe+2HCl->FeCl2+H2",
      "E. Mg+2HCl->MgCl2+H2"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What chemical reaction is most likely occurring with the solid in the video?",
    "problem_reserved_text": "What chemical reaction is most likely occurring with the solid in the video?",
    "videos": [
      "./videos/Chemistry/10.mp4"
    ]
  },
  {
    "problem_id": "validation_792",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Negative beta (beta less than 0)",
      "B. Beta approximately equal to 0",
      "C. Beta between 0 and 1",
      "D. Beta equal to 1",
      "E. Beta greater than 1"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> The beta of the company shown in the video is most likely",
    "problem_reserved_text": "The beta of the company shown in the video is most likely",
    "videos": [
      "./videos/Economics/14.mp4"
    ]
  },
  {
    "problem_id": "validation_793",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Increase the benchmark interest rate to combat inflation.",
      "B. Provide emergency liquidity support to financial institutions.",
      "C. Implement austerity measures to reduce government debt.",
      "D. Enforce stricter lending standards for new mortgages.",
      "E. Increase reserve requirements for commercial banks."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> For the company and its challenges shown in the video, which of the following actions by the central bank would be the most appropriate short-term policy response?",
    "problem_reserved_text": "For the company and its challenges shown in the video, which of the following actions by the central bank would be the most appropriate short-term policy response?",
    "videos": [
      "./videos/Economics/14.mp4"
    ]
  },
  {
    "problem_id": "validation_794",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. No clear answer",
      "B. Second one",
      "C. Neither",
      "D. First one",
      "E. Both"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> The video demonstrates two movements in total. Which movement is closer to the correct interpretation of the twin paradox?",
    "problem_reserved_text": "The video demonstrates two movements in total. Which movement is closer to the correct interpretation of the twin paradox?",
    "videos": [
      "./videos/Modern_Physics/15.mp4"
    ]
  },
  {
    "problem_id": "validation_795",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bureaucratic Management",
      "B. Participative Management",
      "C. Scientific Management",
      "D. Task-Oriented Management",
      "E. Decentralized Management"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What management could lead to the situation shown in the video?",
    "problem_reserved_text": "What management could lead to the situation shown in the video?",
    "videos": [
      "./videos/Management/13.mp4"
    ]
  },
  {
    "problem_id": "validation_796",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bureaucratic Management emphasizing hierarchical authority and strict adherence to rules.",
      "B. Human Relations Management focusing on employee well-being and interpersonal relationships.",
      "C. Contingency Management adapting organizational practices based on situational needs.",
      "D. Scientific Management aiming for efficiency through task standardization and simplification.",
      "E. Transformational Leadership inspiring and motivating employees toward a shared vision."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video>  Based on the video, which management approach is primarily demonstrated by the office staff's behavior?",
    "problem_reserved_text": " Based on the video, which management approach is primarily demonstrated by the office staff's behavior?",
    "videos": [
      "./videos/Management/13.mp4"
    ]
  },
  {
    "problem_id": "validation_797",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Scientific Management Theory, emphasizing task optimization and standardization to increase efficiency.",
      "B. Human Relations Approach, highlighting the importance of employee morale and interpersonal relationships among staff.",
      "C. Transactional Leadership, centered on exchanges between leaders and followers to meet established goals through rewards and punishments.",
      "D. Total Quality Management (TQM), advocating continuous improvement and customer satisfaction through employee involvement.",
      "E. Contingency Management Theory, suggesting that managerial actions should adapt to the particulars of each situation."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the video, which management approach would BEST enable the staff to consider situational variables and adjust their behaviors?",
    "problem_reserved_text": "Based on the video, which management approach would BEST enable the staff to consider situational variables and adjust their behaviors?",
    "videos": [
      "./videos/Management/13.mp4"
    ]
  },
  {
    "problem_id": "validation_799",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. forming transcription templates",
      "B. catalyzing many chemical reactions",
      "C. maintaining structures",
      "D. sensing signals",
      "E. expressing genetic information"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What functions might the compounds shown in the video NOT have?",
    "problem_reserved_text": "What functions might the compounds shown in the video NOT have?",
    "videos": [
      "./videos/Biology/8.mp4"
    ]
  },
  {
    "problem_id": "validation_800",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Phospholipids in cell membranes",
      "B. Genetic material that stores hereditary information",
      "C. Testosterone",
      "D. Hormones like insulin that regulate glucose levels",
      "E. Cellulose in plant cell walls"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following molecules is primarily composed of the substances shown in the video?",
    "problem_reserved_text": "Which of the following molecules is primarily composed of the substances shown in the video?",
    "videos": [
      "./videos/Biology/8.mp4"
    ]
  },
  {
    "problem_id": "validation_801",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. forming transcription templates",
      "B. catalyzing many chemical reactions",
      "C. maintaining structures",
      "D. sensing signals",
      "E. generating movements"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What might NOT be the function of this kind of substance shown in the video?",
    "problem_reserved_text": "What might NOT be the function of this kind of substance shown in the video?",
    "videos": [
      "./videos/Biology/8.mp4"
    ]
  },
  {
    "problem_id": "validation_802",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. DNA replication errors causes genetic mutations, which leads to the shown abnormality.",
      "B. The error of aminoacyl tRNA synthetase (aaRS) in translation period results in the production of abnormal nucleic acids that interfere with protein synthesis.",
      "C. The additional chromosome causes an overexpression of certain genes, leading to an imbalance of proteins that regulate development.",
      "D. The additional chromosome causes a disruption in the regulation of cell division, leading to an overproduction of certain proteins that interfere with normal cellular function and development.",
      "E. The surplus genetic material leads to excessive lipid accumulation, altering cell membrane composition."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the video, which of the following best explains the reason of the shown abnormality?",
    "problem_reserved_text": "Based on the video, which of the following best explains the reason of the shown abnormality?",
    "videos": [
      "./videos/Biology/8.mp4"
    ]
  },
  {
    "problem_id": "validation_804",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The Aguila ammunition has a lower muzzle velocity than the Federal Premium ammunition, resulting in greater bullet drop over the distance to the target.",
      "B. The Aguila bullets have a higher mass than the Federal Premium bullets, causing them to decelerate faster due to air resistance and impact lower on the target.",
      "C. The sandbag's position affects the rifle's recoil differently with the Aguila ammunition, causing the shots to impact lower due to mechanical differences.",
      "D. The Aguila ammunition has a higher ballistic coefficient, which causes it to drop more over the same distance due to decreased air resistance.",
      "E. Temperature differences between the ammunition types cause variations in internal ballistics, leading to differences in bullet impact positions."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following is the most plausible explanation for the observed difference in bullet Aguila ammunition and Federal Premium ammunition?",
    "problem_reserved_text": "Which of the following is the most plausible explanation for the observed difference in bullet Aguila ammunition and Federal Premium ammunition?",
    "videos": [
      "./videos/Mechanics/28.mp4"
    ]
  },
  {
    "problem_id": "validation_807",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Phonetic environment",
      "B. Allophonic variation",
      "C. Prosodic opposition",
      "D. Phonemic opposition",
      "E. Morphological variation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> The pronunciation difference among these words in English represents which of the following phenomena?",
    "problem_reserved_text": "The pronunciation difference among these words in English represents which of the following phenomena?",
    "videos": [
      "./videos/Literature/9.mp4"
    ]
  },
  {
    "problem_id": "validation_809",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Identification of one related mutation",
      "B. A decreased sweat chloride concentration on two or more occasions",
      "C. Decreased levels of immunoreactive trypsinogen (IRT) detected in newborn screening",
      "D. Presence of intermittent fever and chills",
      "E. Demonstration of abnormal epithelial nasal ion transport"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following is included in the diagnostic criteria for this disease?",
    "problem_reserved_text": "Which of the following is included in the diagnostic criteria for this disease?",
    "videos": [
      "./videos/Basic_Medicine/23.mp4"
    ]
  },
  {
    "problem_id": "validation_811",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Physiotherapy",
      "B. Surgery",
      "C. Immunotherapy",
      "D. Photodynamic Therapy",
      "E. Chemotherapy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of treatment is shown in the video?",
    "problem_reserved_text": "What kind of treatment is shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/21.mp4"
    ]
  },
  {
    "problem_id": "validation_812",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Photothermal coagulation of the retinal pigment epithelium to induce scarring",
      "B. Photodisruption of vitreous floaters using ultrashort laser pulses",
      "C. Selective stimulation of retinal cells to promote angiogenesis",
      "D. Activation of photosensitizing agents to produce cytotoxic reactive oxygen species",
      "E. Sub-threshold laser therapy leading to upregulation of cytokines that reduce edema"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the information provided, which of the following is the most likely mechanism by which the treatment achieves its therapeutic effect?",
    "problem_reserved_text": "Based on the information provided, which of the following is the most likely mechanism by which the treatment achieves its therapeutic effect?",
    "videos": [
      "./videos/Biomedical_Engineering/21.mp4"
    ]
  },
  {
    "problem_id": "validation_813",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The use of a 577 nm wavelength laser that is less absorbed by melanin, reducing thermal injury to the retinal pigment epithelium.",
      "B. The ability to apply high-energy laser pulses in continuous-wave mode to effectively coagulate abnormal vessels.",
      "C. The integration of pre-treatment imaging modalities for precise planning of laser spot placement.",
      "D. The application of sub-threshold microsecond laser pulses guided by real-time eye tracking and navigation.",
      "E. The use of autofluorescence imaging to monitor retinal metabolic activity during treatment."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video>  Considering the features demonstrated, which of the following most directly contributes to minimizing collateral damage to healthy retinal tissue during the treatment?",
    "problem_reserved_text": " Considering the features demonstrated, which of the following most directly contributes to minimizing collateral damage to healthy retinal tissue during the treatment?",
    "videos": [
      "./videos/Biomedical_Engineering/21.mp4"
    ]
  },
  {
    "problem_id": "validation_815",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The red-orange glow is due to an exothermic chemical reaction releasing heat; the plume thins because the temperature decreases with height, causing the smoke to condense.",
      "B. The plume rises due to thermal conduction heating the smoke; it thins because the smoke particles evaporate into gas at higher altitudes.",
      "C. The glow indicates a heat source causing thermal convection; the plume thins as it rises because of diffusion and mixing with surrounding air, reducing the concentration of smoke particles.",
      "D. The smoke rises due to buoyancy from increased air pressure at the bottom; it thins because particles settle under gravity as they rise.",
      "E. The glow heats the air by radiation; the plume thins due to the decreasing density of the air reducing the smoke's upward velocity."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following statements correctly explains the primary thermodynamic processes occurring in the video and accounts for the observed smoke plume?",
    "problem_reserved_text": "Which of the following statements correctly explains the primary thermodynamic processes occurring in the video and accounts for the observed smoke plume?",
    "videos": [
      "./videos/Thermodynamics/11.mp4"
    ]
  },
  {
    "problem_id": "validation_817",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. the local government",
      "B. the monitoring agency",
      "C. nobody",
      "D. the buyer",
      "E. the seller"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> If the situation in the video makes the contract impossible to perform, who will bear the responsibility?",
    "problem_reserved_text": "If the situation in the video makes the contract impossible to perform, who will bear the responsibility?",
    "videos": [
      "./videos/Law/10.mp4"
    ]
  },
  {
    "problem_id": "validation_818",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Doctrine of Anticipatory Repudiation",
      "B. Doctrine of Impossibility",
      "C. Doctrine of Frustration of Purpose",
      "D. Doctrine of Substantial Performance",
      "E. Doctrine of Impossibility and Doctrine of Frustration of Purpose"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Under contract law, in the scenario shown in the video, which of the following legal principles can a company rely on at most to avoid liability for contract performance?",
    "problem_reserved_text": "Under contract law, in the scenario shown in the video, which of the following legal principles can a company rely on at most to avoid liability for contract performance?",
    "videos": [
      "./videos/Law/10.mp4"
    ]
  },
  {
    "problem_id": "validation_819",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Doctrine of Substantial Performance",
      "B. Doctrine of Anticipatory Repudiation",
      "C. Doctrine of Commercial Impracticability",
      "D. Doctrine of Frustration of Purpose",
      "E. Doctrine of Impossibility"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Under contract law, which legal doctrine is most likely to excuse the construction company's non-performance?",
    "problem_reserved_text": "Under contract law, which legal doctrine is most likely to excuse the construction company's non-performance?",
    "videos": [
      "./videos/Law/10.mp4"
    ]
  },
  {
    "problem_id": "validation_821",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Increased secretion of antidiuretic hormone (vasopressin)",
      "B. Release of atrial natriuretic peptide from the cardiac atria",
      "C. Enhanced release of aldosterone from the adrenal cortex",
      "D. Secretion of renin from the juxtaglomerular cells in the kidneys",
      "E. Production of angiotensin II via the renin-angiotensin system"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> In the event depicted in the video, an individual experiences changes in body fluids after consuming certain foods. To counteract this change, which physiological mechanism is primarily activated to promote the restoration of homeostasis?",
    "problem_reserved_text": "In the event depicted in the video, an individual experiences changes in body fluids after consuming certain foods. To counteract this change, which physiological mechanism is primarily activated to promote the restoration of homeostasis?",
    "videos": [
      "./videos/Clinical_Medicine/28.mp4"
    ]
  },
  {
    "problem_id": "validation_822",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Edholm's Law",
      "B. Bell's Law",
      "C. Moore's Law",
      "D. Amara's Law",
      "E. Metcalfe's Law"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> According to the data analysis in the video, what law does the image change satisfy?",
    "problem_reserved_text": "According to the data analysis in the video, what law does the image change satisfy?",
    "videos": [
      "./videos/Electronics_and_Communication/20.mp4"
    ]
  },
  {
    "problem_id": "validation_823",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Edholm's Law",
      "B. Kurzweil's Law of Accelerating Returns",
      "C. Amara's Law",
      "D. Gilder's Law",
      "E. Metcalfe's Law"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> If the situation demonstrated in the video occurs in the telecommunications field, which law or principle does it satisfy?",
    "problem_reserved_text": "If the situation demonstrated in the video occurs in the telecommunications field, which law or principle does it satisfy?",
    "videos": [
      "./videos/Electronics_and_Communication/20.mp4"
    ]
  },
  {
    "problem_id": "validation_826",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Amplitude and frequency modulation",
      "B. Amplitude and phase modulation",
      "C. Frequency and phase modulation",
      "D. Phase and angle modulation",
      "E. Frequency modulation only"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What modulation method/methods are used in this system?",
    "problem_reserved_text": "What modulation method/methods are used in this system?",
    "videos": [
      "./videos/Electronics_and_Communication/21.mp4"
    ]
  },
  {
    "problem_id": "validation_827",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A linear voltage regulator circuit.",
      "B. An amplitude modulation (AM) radio transmitter circuit.",
      "C. A phase-locked loop (PLL) frequency synthesizer circuit.",
      "D. A switching mode power supply (SMPS) converter circuit.",
      "E. An audio amplifier circuit with feedback."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Considering the characteristics of the observed signal and the setup described, which type of circuit is the technician most likely testing?",
    "problem_reserved_text": "Considering the characteristics of the observed signal and the setup described, which type of circuit is the technician most likely testing?",
    "videos": [
      "./videos/Electronics_and_Communication/21.mp4"
    ]
  },
  {
    "problem_id": "validation_828",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 45 kHz",
      "B. 50 kHz",
      "C. 55 kHz",
      "D. 60 kHz",
      "E. 65 kHz"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> In the video, an oscilloscope displays a signal. Assuming this period corresponds to the modulating signal, and the carrier frequency is ten times the modulating frequency, what is the frequency of the lower sideband component of the AM signal?",
    "problem_reserved_text": "In the video, an oscilloscope displays a signal. Assuming this period corresponds to the modulating signal, and the carrier frequency is ten times the modulating frequency, what is the frequency of the lower sideband component of the AM signal?",
    "videos": [
      "./videos/Electronics_and_Communication/21.mp4"
    ]
  },
  {
    "problem_id": "validation_834",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Administration of antiretroviral therapy to the general population.",
      "B. Distribution and promotion of insecticide-treated bed nets and indoor residual spraying.",
      "C. Provision of improved sanitation and access to clean drinking water.",
      "D. Isolation and quarantine of infected individuals to prevent person-to-person transmission.",
      "E. Encouraging the use of protective masks to reduce airborne transmission."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following preventive strategies is most effective in reducing the incidence of this disease in endemic regions?",
    "problem_reserved_text": "Which of the following preventive strategies is most effective in reducing the incidence of this disease in endemic regions?",
    "videos": [
      "./videos/Preventive_Medicine/10.mp4"
    ]
  },
  {
    "problem_id": "validation_835",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. the material of the object changes",
      "B. the density of the object changes",
      "C. the mass of the object changes",
      "D. the geometric shape of the object changes",
      "E. the temperature of the object changes"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> The intersection of the two straight lines obtained in the experiment changes when?",
    "problem_reserved_text": "The intersection of the two straight lines obtained in the experiment changes when?",
    "videos": [
      "./videos/Mechanical_Engineering/28.mp4"
    ]
  },
  {
    "problem_id": "validation_836",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Calculating the center of mass using mass distribution; because the object's varying density requires mass calculations at different points.",
      "B. Locating the centroid using the method of suspensions; because suspending the object from multiple points and tracing vertical lines allows intersection at the centroid due to uniform gravity acting on the object.",
      "C. Applying geometrical symmetry; because the map is symmetric, and the intersection of diagonals yields the center point.",
      "D. Using moments of inertia; because balancing the object around different axes locates the point where the moment is minimized.",
      "E. Employing the principle of least potential energy; because the object naturally aligns to minimize its potential energy at the centroid."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which method is being used to determine this point, and why is this method effective for finding it?",
    "problem_reserved_text": "Which method is being used to determine this point, and why is this method effective for finding it?",
    "videos": [
      "./videos/Mechanical_Engineering/28.mp4"
    ]
  },
  {
    "problem_id": "validation_837",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The method will accurately locate the centroid because the technique accounts for mass distribution regardless of density variations.",
      "B. The method will identify the geometric center, but this point will not coincide with the true center of mass due to the non-uniform density.",
      "C. The method will fail entirely because non-uniform density prevents any single point of balance when processing the object in the shown way in the video.",
      "D. The method will inaccurately locate the center of mass because it assumes uniform density; the true center of mass shifts toward the denser southern end, and the lines drawn from the marked points will not intersect at the true center of mass.",
      "E. The centroid found will be the same as in the uniform density case since the shape hasn't changed, demonstrating that density variations don't affect the centroid location."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Suppose instead that the map is made of a material with non-uniform density, increasing gradually from north to south. If the same method is used without accounting for the density variation, which of the following best describes the outcome and explains why?",
    "problem_reserved_text": "Suppose instead that the map is made of a material with non-uniform density, increasing gradually from north to south. If the same method is used without accounting for the density variation, which of the following best describes the outcome and explains why?",
    "videos": [
      "./videos/Mechanical_Engineering/28.mp4"
    ]
  },
  {
    "problem_id": "validation_838",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Unable to determine",
      "B. First one",
      "C. Second one with same height",
      "D. Both",
      "E. Second one"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which move motion in the video takes smaller force on the upper object?",
    "problem_reserved_text": "Which move motion in the video takes smaller force on the upper object?",
    "videos": [
      "./videos/Mechanics/29.mp4"
    ]
  },
  {
    "problem_id": "validation_840",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Batesian mimicry",
      "B. Camouflage",
      "C. Aposematism",
      "D. Countershading",
      "E. Mullerian mimicry"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What coloration strategy did the animal switch to?",
    "problem_reserved_text": "What coloration strategy did the animal switch to?",
    "videos": [
      "./videos/Biology/9.mp4"
    ]
  },
  {
    "problem_id": "validation_842",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hepatitis A virus",
      "B. Measles virus",
      "C. Regional hemorrhagic fever viruses",
      "D. Human papillomavirus",
      "E. Arboviral encephalitis viruses"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following virus does it belong to?",
    "problem_reserved_text": "Which of the following virus does it belong to?",
    "videos": [
      "./videos/Basic_Medicine/0.mp4"
    ]
  },
  {
    "problem_id": "validation_843",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Hantavirus",
      "B. Dengue virus",
      "C. Lassa virus",
      "D. Rabies virus",
      "E. Ebola virus"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is the most likely type of virus shown in the video?",
    "problem_reserved_text": "What is the most likely type of virus shown in the video?",
    "videos": [
      "./videos/Basic_Medicine/0.mp4"
    ]
  },
  {
    "problem_id": "validation_844",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. A virus from the family Flaviviridae, enveloped, icosahedral nucleocapsid, single-stranded positive-sense RNA genome.",
      "B. A virus from the family Reoviridae, non-enveloped, double-stranded segmented RNA genome.",
      "C. A virus from the family Herpesviridae, enveloped, icosahedral nucleocapsid, double-stranded DNA genome.",
      "D. A virus from the family Paramyxoviridae, enveloped, helical nucleocapsid, single-stranded negative-sense RNA genome.",
      "E. A virus from the family Filoviridae, enveloped, filamentous nucleocapsid, single-stranded negative-sense RNA genome."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following best describes the virus's characteristics in terms of its taxonomic family, genome type, and morphology?",
    "problem_reserved_text": "Which of the following best describes the virus's characteristics in terms of its taxonomic family, genome type, and morphology?",
    "videos": [
      "./videos/Basic_Medicine/0.mp4"
    ]
  },
  {
    "problem_id": "validation_847",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Urine Formation Process",
      "B. Protein Synthesis Process",
      "C. Bile Secretion Process",
      "D. Nerve Impulse Transmission Process",
      "E. Alveolar Gas Exchange Process"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on what is in the video, what process is shown in it?",
    "problem_reserved_text": "Based on what is in the video, what process is shown in it?",
    "videos": [
      "./videos/Biology/10.mp4"
    ]
  },
  {
    "problem_id": "validation_848",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Spraying insecticide indoors to kill adult mosquitoes",
      "B. Implementing a vaccination program against the disease",
      "C. Distributing insect repellent creams for personal use",
      "D. Providing insecticide-treated bed nets to households",
      "E. Draining standing water to eliminate mosquito breeding sites"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following interventions would be most effective in preventing new infections?",
    "problem_reserved_text": "Which of the following interventions would be most effective in preventing new infections?",
    "videos": [
      "./videos/Preventive_Medicine/11.mp4"
    ]
  },
  {
    "problem_id": "validation_850",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Pour hot water on the toy man, the toy man will expand due to the heat and the water will flow out.",
      "B. Pour cold water on the toy man, the air pressure inside the toy man will decrease and the water will flow out.",
      "C. Pour cold water on the toy man and the liquid inside the toy man will decrease in volume and flow out.",
      "D. Pour water on the toy man, the air pressure around the toy man will decrease and the water will flow out.",
      "E. Pour hot water on the toy man, the air pressure inside the toy man will increase and water will flow out."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Why did water spray out of the toy man's body at the end?",
    "problem_reserved_text": "Why did water spray out of the toy man's body at the end?",
    "videos": [
      "./videos/Thermodynamics/12.mp4"
    ]
  },
  {
    "problem_id": "validation_851",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The hot water causes the material of the toy man to expand, squeezing internal water out through openings.",
      "B. Cooling the toy man in cold water causes the air inside to contract and draw water in; heating it with hot water then causes the air to expand, forcing the water out.",
      "C. The cold water causes the toy man's material to crack, allowing water in; pouring hot water then causes the cracks to seal, forcing water out.",
      "D. The toy man absorbs water through its material in cold water; the hot water causes the absorbed water to be released.",
      "E. Heating the toy man with hot water causes the internal air pressure to decrease, sucking water out of the toy man."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following best explains the experiment?",
    "problem_reserved_text": "Which of the following best explains the experiment?",
    "videos": [
      "./videos/Thermodynamics/12.mp4"
    ]
  },
  {
    "problem_id": "validation_852",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The internal air pressure increases to about 1.05 atm due to thermal expansion; this pressure increase forces warm air out of the object, cooling the surrounding air and causing condensation on the beaker.",
      "B. The internal air pressure decreases to about 0.90 atm due to thermal contraction; this pressure drop causes air to flow into the object, warming the surrounding air and preventing condensation on the beaker.",
      "C. The internal air pressure remains at 1 atm because the temperature change is insufficient to affect the pressure significantly; condensation occurs due to humidity changes in the room.",
      "D. The internal air pressure decreases to about 0.94 atm due to thermal contraction; the pressure difference draws moist ambient air toward the cold surface of the beaker, where it cools below the dew point and condenses.",
      "E. The internal air pressure decreases slightly, but the condensation is primarily due to evaporation of the cold water cooling the beaker surface below the ambient dew point."
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following best explains the phenomenon on the beaker in the video?",
    "problem_reserved_text": "Which of the following best explains the phenomenon on the beaker in the video?",
    "videos": [
      "./videos/Thermodynamics/12.mp4"
    ]
  },
  {
    "problem_id": "validation_853",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Collagen Type I",
      "B. TGF-beta",
      "C. Osteocalcin",
      "D. Matrix metalloproteinases (MMPs)",
      "E. Beta-actin"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> n the process shown in the video, what molecules stimulate cell devision?",
    "problem_reserved_text": "n the process shown in the video, what molecules stimulate cell devision?",
    "videos": [
      "./videos/Basic_Medicine/24.mp4"
    ]
  },
  {
    "problem_id": "validation_854",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The friction between the object and the surface",
      "B. The shape and size of the object",
      "C. The density of the object",
      "D. The mass of the object",
      "E. The position of the axis of rotation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following factors does not directly affect the variables shown in the video? ",
    "problem_reserved_text": "Which of the following factors does not directly affect the variables shown in the video? ",
    "videos": [
      "./videos/Mechanics/30.mp4"
    ]
  },
  {
    "problem_id": "validation_856",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Find the center of the circumscribed circle of the object",
      "B. Measure the area of the object's surface",
      "C. Determine the volume of the object",
      "D. Find the center of the inscribed circle of the object",
      "E. Find the center of gravity of the object"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is the purpose of the experiment in the video?",
    "problem_reserved_text": "What is the purpose of the experiment in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/30.mp4"
    ]
  },
  {
    "problem_id": "validation_857",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The principle that the centroid of a shape is at the intersection point of its axes of symmetry.",
      "B. The application of the Pythagorean theorem to determine distances.",
      "C. The use of torque equilibrium to balance moments about a pivot point.",
      "D. The concept that uniform objects have their center of mass at their geometric center.",
      "E. The principle that the center of gravity lies along the intersection of plumb lines from multiple suspension points."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which mechanical engineering principle is being applied in this experiment?",
    "problem_reserved_text": "Which mechanical engineering principle is being applied in this experiment?",
    "videos": [
      "./videos/Mechanical_Engineering/30.mp4"
    ]
  },
  {
    "problem_id": "validation_859",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Patch Test",
      "B. Intravenous Injection",
      "C. Intradermal Test",
      "D. Skin Prick Test",
      "E. ImmunoCAP"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What is shown in the video?",
    "problem_reserved_text": "What is shown in the video?",
    "videos": [
      "./videos/Pharmacy/26.mp4"
    ]
  },
  {
    "problem_id": "validation_860",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Rope has a lower melting point.",
      "B. Rope is not conductive.",
      "C. The rope has good electrical conductivity and shrinks when heated and expands when cooled.",
      "D. The rope has good electrical conductivity and expands with heat and shrinks with cold.",
      "E. The rope has poor electrical conductivity and expands with heat and shrinks with cold."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What are the physical properties of rope?",
    "problem_reserved_text": "What are the physical properties of rope?",
    "videos": [
      "./videos/Thermodynamics/13.mp4"
    ]
  },
  {
    "problem_id": "validation_861",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The magnetic field generated by the current disappears, causing the metal block to fall due to gravity.",
      "B. The metal block loses its electric charge upon cooling, eliminating electrostatic forces that held it up.",
      "C. The wire expands upon cooling, increasing in length and allowing the metal block to descend.",
      "D. The air around the cap cools, reducing buoyant forces and causing the metal block to fall.",
      "E. The resistance of the wire increases upon cooling, stopping current flow and causing the metal block to fall."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains the metal block's behavior when the power is switched off?",
    "problem_reserved_text": "Which of the following best explains the metal block's behavior when the power is switched off?",
    "videos": [
      "./videos/Thermodynamics/13.mp4"
    ]
  },
  {
    "problem_id": "validation_863",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The first move motion has a larger change in impulse",
      "B. The second move motion has a larger change in impulse",
      "C. Both move motions have the same change in impulse",
      "D. Neither move motion has a significant change in impulse",
      "E. Unable to determine from the video"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which move motion in the video has larger change in impulse?",
    "problem_reserved_text": "Which move motion in the video has larger change in impulse?",
    "videos": [
      "./videos/Mechanics/31.mp4"
    ]
  },
  {
    "problem_id": "validation_864",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The foam pad exhibits hysteresis due to internal friction during compression and expansion cycles, dissipating energy as heat.",
      "B. The foam pad behaves as a perfectly elastic material, fully recovering its original shape after each compression without any energy loss.",
      "C. The permanent indentation in the foam pad indicates that it has undergone purely plastic deformation from the initial compression, with no elastic recovery.",
      "D. Repeated compressions cause the foam pad's stiffness to increase due to strain hardening, making it deform less under the same load over time.",
      "E. The foam pad absorbs the brick's potential energy entirely as elastic potential energy during compression, storing it without transforming it into other forms of energy."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the video, which of the following statements is true?",
    "problem_reserved_text": "Based on the video, which of the following statements is true?",
    "videos": [
      "./videos/Mechanics/31.mp4"
    ]
  },
  {
    "problem_id": "validation_865",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Only the wave with lower amplitude",
      "B. Neither",
      "C. Second one",
      "D. Both",
      "E. First one"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which movement of wave in the video is related to the quamtum mechanics?",
    "problem_reserved_text": "Which movement of wave in the video is related to the quamtum mechanics?",
    "videos": [
      "./videos/Modern_Physics/16.mp4"
    ]
  },
  {
    "problem_id": "validation_867",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Pulmonary valve",
      "B. Aortic valve",
      "C. Tricuspid valve",
      "D. Mitral valve",
      "E. Right atrial appendage"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Through the examination in the video, you can determine which part of the disease?",
    "problem_reserved_text": "Through the examination in the video, you can determine which part of the disease?",
    "videos": [
      "./videos/Clinical_Medicine/30.mp4"
    ]
  },
  {
    "problem_id": "validation_870",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Bandwidth",
      "B. Frequency",
      "C. Modulation type",
      "D. Phase",
      "E. Amplitude"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which variable of the original signal is changed?",
    "problem_reserved_text": "Which variable of the original signal is changed?",
    "videos": [
      "./videos/Electronics_and_Communication/22.mp4"
    ]
  },
  {
    "problem_id": "validation_871",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Distributing insecticide-treated bed nets to reduce mosquito bites at night.",
      "B. Implementing mass deworming programs with albendazole in school-aged children.",
      "C. Providing access to clean water and promoting hygienic practices to prevent fecal-oral transmission.",
      "D. Eliminating standing water near human habitation to reduce breeding sites for Anopheles mosquitoes.",
      "E. Introducing molluscicides to control snail populations in freshwater bodies."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> According to the disease process shown in the animation, which of the following precautions would be most effective in stopping its spread by targeting its intermediate host?",
    "problem_reserved_text": "According to the disease process shown in the animation, which of the following precautions would be most effective in stopping its spread by targeting its intermediate host?",
    "videos": [
      "./videos/Preventive_Medicine/12.mp4"
    ]
  },
  {
    "problem_id": "validation_872",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. utilizes Hamming codes for error correction",
      "B. is suitable for communication environments with high error rates",
      "C. its matrix can be represented by a Tanner graph",
      "D. increases the payload of data transmission",
      "E. is optimal for low-latency applications"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following options correctly describes a feature or limitation? ",
    "problem_reserved_text": "Which of the following options correctly describes a feature or limitation? ",
    "videos": [
      "./videos/Electronics_and_Communication/23.mp4"
    ]
  },
  {
    "problem_id": "validation_873",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Atropine",
      "B. Penicillin",
      "C. Succinylcholine",
      "D. Neostigmine",
      "E. Fluoxetine"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the content of the video, if the patient is confirmed to have the disease demonstrated in the video, which medication can be used to alleviate the symptoms?",
    "problem_reserved_text": "Based on the content of the video, if the patient is confirmed to have the disease demonstrated in the video, which medication can be used to alleviate the symptoms?",
    "videos": [
      "./videos/Dentistry/4.mp4"
    ]
  },
  {
    "problem_id": "validation_874",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ibuprofen",
      "B. Pyridostigmine",
      "C. Neostigmine",
      "D. Edrophonium",
      "E. Fluoxetine"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following medications is most likely contributing to the exacerbation of the symptom?",
    "problem_reserved_text": "Which of the following medications is most likely contributing to the exacerbation of the symptom?",
    "videos": [
      "./videos/Dentistry/4.mp4"
    ]
  },
  {
    "problem_id": "validation_876",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. the exchange of gases between inspired air and blood",
      "B. Maintain blood circulation in the body",
      "C. Dispose of the food",
      "D. Provide motor capacity",
      "E. Produce hormonal secretions"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What is the main function of the model organ shown in the video in the human body?",
    "problem_reserved_text": "What is the main function of the model organ shown in the video in the human body?",
    "videos": [
      "./videos/Basic_Medicine/25.mp4"
    ]
  },
  {
    "problem_id": "validation_878",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Palpation",
      "B. Inspection",
      "C. Both A and B",
      "D. Percussion",
      "E. Auscultation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which step of the chest examination is shown in the video?",
    "problem_reserved_text": "Which step of the chest examination is shown in the video?",
    "videos": [
      "./videos/Clinical_Medicine/31.mp4"
    ]
  },
  {
    "problem_id": "validation_879",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Increased tactile fremitus over the lower lobes due to pneumonia",
      "B. Asymmetrical chest expansion indicating a unilateral pleural effusion",
      "C. Hyperresonant percussion notes over the right lung due to pneumothorax",
      "D. Fine inspiratory crackles at the lung bases due to pulmonary fibrosis",
      "E. A barrel-shaped chest indicating chronic obstructive pulmonary disease"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> In the chest examination demonstrated at the end of the video, the doctor uses a specific method to examine the patient. Which of the following clinical findings is most likely to be detected through this particular examination technique?",
    "problem_reserved_text": "In the chest examination demonstrated at the end of the video, the doctor uses a specific method to examine the patient. Which of the following clinical findings is most likely to be detected through this particular examination technique?",
    "videos": [
      "./videos/Clinical_Medicine/31.mp4"
    ]
  },
  {
    "problem_id": "validation_882",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Structural unemployment",
      "B. Cyclic unemployment",
      "C. Hidden unemployment",
      "D. Frictional unemployment",
      "E. Seasonal unemployment"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> What type of unemployment might be caused by the scenario shown in the video?",
    "problem_reserved_text": "What type of unemployment might be caused by the scenario shown in the video?",
    "videos": [
      "./videos/Economics/15.mp4"
    ]
  },
  {
    "problem_id": "validation_883",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. They evolved into the modern letters by completely abandoning the original symbols.",
      "B. The original system could represent both consonants and vowels effectively.",
      "C. They influenced English alphabets through direct inheritance.",
      "D. The Chinese increased the number of consonant symbols in this alphabet system.",
      "E. The number of these letters limits the expression ability of the system, but simplifies the learning process."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Watch  letters in the video. Choose the correct one from the following options.",
    "problem_reserved_text": "Watch  letters in the video. Choose the correct one from the following options.",
    "videos": [
      "./videos/Literature/10.mp4"
    ]
  },
  {
    "problem_id": "validation_884",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. These hieroglyphs, combining phonetic and symbolic elements, did not directly influence the development of alphabetic scripts.",
      "B. The adaptation of these hieroglyphs into proto-alphabetic scripts paved the way for the Phoenician and Greek alphabets, profoundly impacting literary traditions.",
      "C. Hieroglyphs influenced Mesopotamian cuneiform scripts through cultural exchange, leading to shared literary themes between civilizations.",
      "D. The complexity of hieroglyphs led to the creation of simplified scripts like hieratic and demotic, enabling broader literary expression among scribes.",
      "E. The aesthetic qualities of hieroglyphs inspired artistic motifs in subsequent cultures, affecting literature indirectly through symbolic representation."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Based on the hieroglyphs depicted in the video, which of the following statements best describes the influence of the hieroglyphs on the evolution of writing systems relevant to literature?",
    "problem_reserved_text": "Based on the hieroglyphs depicted in the video, which of the following statements best describes the influence of the hieroglyphs on the evolution of writing systems relevant to literature?",
    "videos": [
      "./videos/Literature/10.mp4"
    ]
  },
  {
    "problem_id": "validation_885",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The pictorial nature of hieroglyphs limited their use to monumental inscriptions, preventing their application in extensive literary works.",
      "B. The sacred status of hieroglyphs restricted their use to religious texts, inhibiting the development of secular literature.",
      "C. The complexity of hieroglyphic script led to a decline in literacy rates, confining literary production to an elite class of scribes.",
      "D. The absence of vowels in hieroglyphic writing created ambiguities that hindered the precise expression of literary ideas.",
      "E. The combination of phonetic and ideographic elements in hieroglyphs facilitated rich layers of meaning, allowing for nuanced literary techniques like puns and metaphors."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the hieroglyphs shown in the video, which of the following statements best explains how the nature of hieroglyphic writing influenced literary expression in its time?",
    "problem_reserved_text": "Based on the hieroglyphs shown in the video, which of the following statements best explains how the nature of hieroglyphic writing influenced literary expression in its time?",
    "videos": [
      "./videos/Literature/10.mp4"
    ]
  },
  {
    "problem_id": "validation_886",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Irradiation",
      "B. Sterilization",
      "C. Depositing",
      "D. Freeze",
      "E. Adsorbing"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is the purpose of the operation of the experimental operator in the video?",
    "problem_reserved_text": "What is the purpose of the operation of the experimental operator in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/23.mp4"
    ]
  },
  {
    "problem_id": "validation_887",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Because it inactivates prions by denaturing their protein structure.",
      "B. Because it kills microorganisms by dehydrating their cytoplasm.",
      "C. Because it destroys bacteria through coagulation of proteins caused by moist heat under pressure.",
      "D. Because it removes all organic contaminants by oxidizing them at high temperatures.",
      "E. Because it sterilizes equipment with the appropriate irradiation, high temperature and high pressure."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains why the shown operation is effective?",
    "problem_reserved_text": "Which of the following best explains why the shown operation is effective?",
    "videos": [
      "./videos/Biomedical_Engineering/23.mp4"
    ]
  },
  {
    "problem_id": "validation_888",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Malaria",
      "B. Dengue Fever",
      "C. Leptospirosis",
      "D. Brucellosis",
      "E. Typhoid Fever"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following diseases' symptoms might be depicted in the video?",
    "problem_reserved_text": "Which of the following diseases' symptoms might be depicted in the video?",
    "videos": [
      "./videos/Preventive_Medicine/13.mp4"
    ]
  },
  {
    "problem_id": "validation_889",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Schistosoma mansoni",
      "B. Hepatitis E virus",
      "C. Dengue virus",
      "D. Salmonella typhi",
      "E. Plasmodium vivax"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following organisms is most likely responsible for their illness?",
    "problem_reserved_text": "Which of the following organisms is most likely responsible for their illness?",
    "videos": [
      "./videos/Preventive_Medicine/13.mp4"
    ]
  },
  {
    "problem_id": "validation_892",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Significant technological changes disrupting traditional industries",
      "B. Long-term imbalance in government finances and excessive debt burden",
      "C. Aging population leading to a reduction in the labor force",
      "D. International sanctions leading to trade disruptions",
      "E. High levels of inflation causing a cost of living crisis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What might be the cause of the scene in the video?",
    "problem_reserved_text": "What might be the cause of the scene in the video?",
    "videos": [
      "./videos/Economics/16.mp4"
    ]
  },
  {
    "problem_id": "validation_895",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Smaller first, then bigger",
      "B. Smaller",
      "C. Cyclically increases and decreases",
      "D. Bigger first, then smaller",
      "E. Bigger"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> How does the reflection level changes in the video?",
    "problem_reserved_text": "How does the reflection level changes in the video?",
    "videos": [
      "./videos/Modern_Physics/17.mp4"
    ]
  },
  {
    "problem_id": "validation_896",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Scanning Tunneling Microscope (STM)",
      "B. Nuclear Magnetic Resonance (NMR) Spectrometer",
      "C. Rutherford Backscattering Spectrometer (RBS)",
      "D. X-ray Diffractometer (XRD)",
      "E. Atomic Force Microscope (AFM)"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the description of the apparatus in the video, which scientific instrument is most likely depicted, and used for material analysis in the field of Modern Physics?",
    "problem_reserved_text": "Based on the description of the apparatus in the video, which scientific instrument is most likely depicted, and used for material analysis in the field of Modern Physics?",
    "videos": [
      "./videos/Modern_Physics/17.mp4"
    ]
  },
  {
    "problem_id": "validation_898",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. There are three plugs in the video",
      "B. Changing the direction of the plug may not necessarily allow it to be inserted into the socket",
      "C. There are four plugs in the video",
      "D. The plug can be inserted into the socket in both directions",
      "E. The plug must be inserted at a specific angle to work"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following statements about the plug in the video is correct?",
    "problem_reserved_text": "Which of the following statements about the plug in the video is correct?",
    "videos": [
      "./videos/Electrical_Engineering/31.mp4"
    ]
  },
  {
    "problem_id": "validation_899",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Because it allows the plug to be inserted more easily in low-light conditions, improving user convenience.",
      "B. Because it ensures that the plug only fits into specially designed outlets, preventing use with incompatible electrical systems.",
      "C. Because it is intended to prevent children from inserting objects into outlets, enhancing child safety.",
      "D. Because it indicates that the plug is intended for use with three-phase power systems commonly found in industrial settings, which has higher efficiency and higher power density.",
      "E. Because it ensures that the plug can only be inserted in one orientation, maintaining correct hot and neutral connections to prevent potential shock hazards."
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What is the purpose of this design?",
    "problem_reserved_text": "What is the purpose of this design?",
    "videos": [
      "./videos/Electrical_Engineering/31.mp4"
    ]
  },
  {
    "problem_id": "validation_901",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Ampicillin",
      "B. Amoxicillin",
      "C. Ribavirin",
      "D. Emtricitabine",
      "E. Fluconazole"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the video content, determine what drugs are available to treat this disease.",
    "problem_reserved_text": "Based on the video content, determine what drugs are available to treat this disease.",
    "videos": [
      "./videos/Pharmacy/27.mp4"
    ]
  },
  {
    "problem_id": "validation_904",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Chronic Lymphocytic Leukemia (CLL)",
      "B. Acute Lymphoblastic Leukemia (ALL)",
      "C. Acute Myeloid Leukemia (AML)",
      "D. Hairy Cell Leukemia",
      "E. Multiple Myeloma"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> In the laboratory technique demonstrated in the video, which of the following is the most likely diagnosis?",
    "problem_reserved_text": "In the laboratory technique demonstrated in the video, which of the following is the most likely diagnosis?",
    "videos": [
      "./videos/Preventive_Medicine/14.mp4"
    ]
  },
  {
    "problem_id": "validation_905",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Malaria",
      "B. COVID-19",
      "C. Mumps",
      "D. Measles",
      "E. Influenza"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> The examination method shown in the video is likely used to diagnose which of the following diseases?",
    "problem_reserved_text": "The examination method shown in the video is likely used to diagnose which of the following diseases?",
    "videos": [
      "./videos/Preventive_Medicine/14.mp4"
    ]
  },
  {
    "problem_id": "validation_907",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The bolts are subjected to axial pressure",
      "B. Fatigue cracks occur in plates",
      "C. The two plates are connected by a bolt",
      "D. The main force in the stretching process is the plates",
      "E. The main force during stretching is the bolt"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following statements about bolting experiments is false?",
    "problem_reserved_text": "Which of the following statements about bolting experiments is false?",
    "videos": [
      "./videos/Materials_Science/13.mp4"
    ]
  },
  {
    "problem_id": "validation_910",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Oscillates",
      "B. Smaller",
      "C. Bigger first, then smaller",
      "D. Smaller first, then bigger",
      "E. Bigger"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> When the operator rotates the knot, how does the intensity of the polarized wave changes?",
    "problem_reserved_text": "When the operator rotates the knot, how does the intensity of the polarized wave changes?",
    "videos": [
      "./videos/Modern_Physics/18.mp4"
    ]
  },
  {
    "problem_id": "validation_911",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 3.86%",
      "B. -3.86%",
      "C. 3.72%",
      "D. -3.72%",
      "E. 3.76%"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> In the experiment described in the video, a photodiode is used to record the intensity of light. Between the two readings, how much did the number of photons reaching the photodiode change?",
    "problem_reserved_text": "In the experiment described in the video, a photodiode is used to record the intensity of light. Between the two readings, how much did the number of photons reaching the photodiode change?",
    "videos": [
      "./videos/Modern_Physics/18.mp4"
    ]
  },
  {
    "problem_id": "validation_912",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Procaine",
      "B. Lidocaine",
      "C. Mepivacaine",
      "D. Articaine",
      "E. Bupivacaine"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following local anaesthetics should be avoided in the patient shown in the video because of the risk of prolonged effects and toxicity?",
    "problem_reserved_text": "Which of the following local anaesthetics should be avoided in the patient shown in the video because of the risk of prolonged effects and toxicity?",
    "videos": [
      "./videos/Pharmacy/28.mp4"
    ]
  },
  {
    "problem_id": "validation_913",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. K2-138 System",
      "B. TRAPPIST System",
      "C. Solar System",
      "D. Mu Arae System",
      "E. Rho1 Cancri System"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which star system is shown in the video? ",
    "problem_reserved_text": "Which star system is shown in the video? ",
    "videos": [
      "./videos/Astronomy/3.mp4"
    ]
  },
  {
    "problem_id": "validation_915",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. splay tree",
      "B. linked list",
      "C. hash table",
      "D. AVL tree",
      "E. red-black tree"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What kind of data structure is used in this video?",
    "problem_reserved_text": "What kind of data structure is used in this video?",
    "videos": [
      "./videos/Computer_Science/45.mp4"
    ]
  },
  {
    "problem_id": "validation_916",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Separate Chaining using Linked Lists",
      "B. Open Addressing with Linear Probing",
      "C. Open Addressing with Quadratic Probing",
      "D. Cuckoo Hashing",
      "E. Open Addressing with Double Hashing"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Considering that red squares represent collision events or special handling during insertions, which collision resolution strategy in hashing is most likely being illustrated in the video?",
    "problem_reserved_text": "Considering that red squares represent collision events or special handling during insertions, which collision resolution strategy in hashing is most likely being illustrated in the video?",
    "videos": [
      "./videos/Computer_Science/45.mp4"
    ]
  },
  {
    "problem_id": "validation_918",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Inactivation of genetic material",
      "B. DNA probe hybridization",
      "C. DNA frameshift mutation",
      "D. Protein denaturation",
      "E. RNA coding"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What kind of biological technology is reflected in the video?",
    "problem_reserved_text": "What kind of biological technology is reflected in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/24.mp4"
    ]
  },
  {
    "problem_id": "validation_919",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Clomiphene Citrate",
      "B. Progesterone",
      "C. Estradiol",
      "D. Human Chorionic Gonadotropin (hCG)",
      "E. GnRH Antagonist"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following medications would most effectively achieve this effect in video?",
    "problem_reserved_text": "Which of the following medications would most effectively achieve this effect in video?",
    "videos": [
      "./videos/Pharmacy/29.mp4"
    ]
  },
  {
    "problem_id": "validation_920",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Coriolis effect",
      "B. Butterfly effect",
      "C. Greenhouse effect",
      "D. Doppler effect",
      "E. Lever effect"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> what kind of effect is showed in the video?",
    "problem_reserved_text": "what kind of effect is showed in the video?",
    "videos": [
      "./videos/Geography/14.mp4"
    ]
  },
  {
    "problem_id": "validation_921",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. High pressure in the subtropics",
      "B. Global sea level rise",
      "C. Intensification of land desertification",
      "D. Formation of the Himalayas",
      "E. Formation of trade winds near the equator"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Based on the phenomenon described in the video, which of the following is best explained?",
    "problem_reserved_text": "Based on the phenomenon described in the video, which of the following is best explained?",
    "videos": [
      "./videos/Geography/14.mp4"
    ]
  },
  {
    "problem_id": "validation_922",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Differential heating of Earth's surface causes air to rise at the equator, leading to cyclonic rotation patterns in each hemisphere.",
      "B. High-pressure systems over the poles push winds toward the equator, initiating opposite rotations in each hemisphere.",
      "C. The Earth's rotation causes the Coriolis effect, deflecting winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, resulting in opposite cyclone rotation directions.",
      "D. The trade winds converge near the equator, causing cyclones to spin in opposite directions due to their interactions.",
      "E. Ocean currents influence the rotation of cyclones, causing them to rotate differently in each hemisphere."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on the demonstration in the video, which of the following best explains Earth's cyclone rotation differences?",
    "problem_reserved_text": "Based on the demonstration in the video, which of the following best explains Earth's cyclone rotation differences?",
    "videos": [
      "./videos/Geography/14.mp4"
    ]
  },
  {
    "problem_id": "validation_925",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Solidification",
      "B. Melting",
      "C. Crystallization",
      "D. Vaporization",
      "E. Sublimation"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> What phenomenon is described in the video?",
    "problem_reserved_text": "What phenomenon is described in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/25.mp4"
    ]
  },
  {
    "problem_id": "validation_930",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Self-healing Materials",
      "B. Bioactive Glass",
      "C. Metallic Implants",
      "D. Hydrogels",
      "E. Bioceramics"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> What kind of biomaterial is used in the video?",
    "problem_reserved_text": "What kind of biomaterial is used in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/26.mp4"
    ]
  },
  {
    "problem_id": "validation_931",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. They can fill irregular spaces and solidify in situ, providing a customizable fit.",
      "B. They stimulate bone growth by releasing osteoinductive factors.",
      "C. They enhance electrical conductivity for improving neural tissue regeneration.",
      "D. They provide a rigid scaffold suitable for load-bearing applications.",
      "E. They deliver sustained doses of chemotherapeutic agents to target sites."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following is the most significant advantage of using the injected material shown in the video?",
    "problem_reserved_text": "Which of the following is the most significant advantage of using the injected material shown in the video?",
    "videos": [
      "./videos/Biomedical_Engineering/26.mp4"
    ]
  },
  {
    "problem_id": "validation_932",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The biomaterial is biodegradable and has mechanical properties matching the surrounding soft tissue.",
      "B. The biomaterial is electrically conductive to stimulate muscle contractions for enhanced tissue repair.",
      "C. The biomaterial is a non-porous metal that provides long-term structural support.",
      "D. The biomaterial releases pro-inflammatory cytokines to activate immune responses.",
      "E. The biomaterial is radio-opaque to allow for imaging during MRI procedures."
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following properties does the injected material in the video have?",
    "problem_reserved_text": "Which of the following properties does the injected material in the video have?",
    "videos": [
      "./videos/Biomedical_Engineering/26.mp4"
    ]
  },
  {
    "problem_id": "validation_933",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. myasthenia gravis",
      "B. Corneal Ulcer",
      "C. Optic Neuritis",
      "D. glaucoma",
      "E. iridocyclitis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Based on the content in the video, guess what disease the patient is most likely to suffer from",
    "problem_reserved_text": "Based on the content in the video, guess what disease the patient is most likely to suffer from",
    "videos": [
      "./videos/Basic_Medicine/26.mp4"
    ]
  },
  {
    "problem_id": "validation_936",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. reversibility",
      "B. linearity",
      "C. monotonicity",
      "D. consistency",
      "E. independency"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> When added a noise signal of the same type, what property is to be followed? ",
    "problem_reserved_text": "When added a noise signal of the same type, what property is to be followed? ",
    "videos": [
      "./videos/Electronics_and_Communication/24.mp4"
    ]
  },
  {
    "problem_id": "validation_937",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The voltage fluctuations are deterministic, and the histogram follows a uniform distribution due to the instrument's resolution limit.",
      "B. The voltage fluctuations are due to quantization error, and the histogram follows a Poisson distribution because of discrete measurement levels.",
      "C. The voltage fluctuations are random Gaussian noise, and the histogram follows a normal distribution as per the Central Limit Theorem.",
      "D. The voltage fluctuations are caused by drift, and the histogram shows a skewed distribution due to systematic error accumulation.",
      "E. The voltage fluctuations are caused by environmental interference, and the histogram is bimodal due to intermittent external signals."
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following best explains the statistical behavior observed in the measurements?",
    "problem_reserved_text": "Which of the following best explains the statistical behavior observed in the measurements?",
    "videos": [
      "./videos/Electronics_and_Communication/24.mp4"
    ]
  },
  {
    "problem_id": "validation_940",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Newton's Law of Universal Gravitation",
      "B. The Big Bang",
      "C. Kepler's laws",
      "D. General Theory of Relativity",
      "E. Gravitational Waves"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following concepts is illustrated in the video?",
    "problem_reserved_text": "Which of the following concepts is illustrated in the video?",
    "videos": [
      "./videos/Astronomy/4.mp4"
    ]
  },
  {
    "problem_id": "validation_942",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Supermoon",
      "B. Changing of lunar phases",
      "C. Solar eclipse",
      "D. Lunar eclipse",
      "E. Tidal locking"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which of the following phenomenons is being shown in the video?",
    "problem_reserved_text": "Which of the following phenomenons is being shown in the video?",
    "videos": [
      "./videos/Astronomy/5.mp4"
    ]
  },
  {
    "problem_id": "validation_944",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Total lunar eclipse",
      "B. Partial lunar eclipse",
      "C. Supermoon",
      "D. Total solar eclipse",
      "E. Partial solar eclipse"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following phenomenons can people on the earth see in the video?",
    "problem_reserved_text": "Which of the following phenomenons can people on the earth see in the video?",
    "videos": [
      "./videos/Astronomy/5.mp4"
    ]
  },
  {
    "problem_id": "validation_946",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Waxing gibbous",
      "B. Full moon",
      "C. Waning gibbous",
      "D. Last quarter",
      "E. Waning crescent"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Which of the following phases is the next phase in the video?",
    "problem_reserved_text": "Which of the following phases is the next phase in the video?",
    "videos": [
      "./videos/Astronomy/6.mp4"
    ]
  },
  {
    "problem_id": "validation_948",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gravitational microlensing",
      "B. Tidal Disruption Events (TDEs)",
      "C. Supernova",
      "D. Variable Stars",
      "E. Solar eclipse"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which of the following describes the phenomenon shown in the video?",
    "problem_reserved_text": "Which of the following describes the phenomenon shown in the video?",
    "videos": [
      "./videos/Astronomy/7.mp4"
    ]
  },
  {
    "problem_id": "validation_950",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Gravitational microlensing",
      "B. Transit photometry",
      "C. Radial velocity method",
      "D. Pulsar timing",
      "E. Relativistic beaming"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following methods is utilized in the video?",
    "problem_reserved_text": "Which of the following methods is utilized in the video?",
    "videos": [
      "./videos/Astronomy/8.mp4"
    ]
  },
  {
    "problem_id": "validation_952",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Tooth extraction",
      "B. Maxillofacial surgery",
      "C. Root canal surgery",
      "D. Periodontal surgery",
      "E. Gum contouring or gingivectomy"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> Which of the following surgeries is demonstrated in the video?",
    "problem_reserved_text": "Which of the following surgeries is demonstrated in the video?",
    "videos": [
      "./videos/Dentistry/5.mp4"
    ]
  },
  {
    "problem_id": "validation_953",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Severe tooth decay",
      "B. Periodontitis",
      "C. Damaged tooth pulp",
      "D. Jaw misalignment",
      "E. Excess or diseased gum tissue"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Which condition is the surgery in the video intended to treat?",
    "problem_reserved_text": "Which condition is the surgery in the video intended to treat?",
    "videos": [
      "./videos/Dentistry/5.mp4"
    ]
  },
  {
    "problem_id": "validation_955",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Dental filling",
      "B. Crown placement",
      "C. Periodontal therapy",
      "D. Apicoectomy",
      "E. root canal surgery"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> The shown disease requires a(n) _______ surgery for effective treatment.",
    "problem_reserved_text": "The shown disease requires a(n) _______ surgery for effective treatment.",
    "videos": [
      "./videos/Dentistry/6.mp4"
    ]
  },
  {
    "problem_id": "validation_957",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The start of the Korean War",
      "B. The construction of the Berlin Wall",
      "C. The signing of the Treaty of Versailles",
      "D. The establishment of NATO",
      "E. The fall of the Soviet Union"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> The building shown in the video represents a significant historical and political symbol. Based on its construction year, what major event was it directly associated with?",
    "problem_reserved_text": "The building shown in the video represents a significant historical and political symbol. Based on its construction year, what major event was it directly associated with?",
    "videos": [
      "./videos/History/0.mp4"
    ]
  },
  {
    "problem_id": "validation_959",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Old Kingdom",
      "B. Middle Kingdom",
      "C. New Kingdom",
      "D. Predynastic Period",
      "E. First Intermediate Period"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> The objects shown in the video indicate that they come from a certain historical period, judging by their artistic style and cultural connotations. Which period does the exhibition most likely represent?",
    "problem_reserved_text": "The objects shown in the video indicate that they come from a certain historical period, judging by their artistic style and cultural connotations. Which period does the exhibition most likely represent?",
    "videos": [
      "./videos/History/1.mp4"
    ]
  },
  {
    "problem_id": "validation_961",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The American Revolution",
      "B. The Glorious Revolution",
      "C. The French Revolution",
      "D. The Industrial Revolution",
      "E. The Napoleonic Wars"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> The historical transformations depicted suggest increasing societal tensions driven by economic and ideological shifts. Which major event most likely followed?",
    "problem_reserved_text": "The historical transformations depicted suggest increasing societal tensions driven by economic and ideological shifts. Which major event most likely followed?",
    "videos": [
      "./videos/History/2.mp4"
    ]
  },
  {
    "problem_id": "validation_963",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Battle of Mylae",
      "B. Battle of Salamis",
      "C. Battle of Trafalgar",
      "D. Battle of Midway",
      "E. Battle of Tsushima"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> The war map in the animation illustrates a prolonged conflict culminating in a decisive battle. One year after this final battle, which significant naval engagement took place, altering the course of the war?",
    "problem_reserved_text": "The war map in the animation illustrates a prolonged conflict culminating in a decisive battle. One year after this final battle, which significant naval engagement took place, altering the course of the war?",
    "videos": [
      "./videos/History/3.mp4"
    ]
  },
  {
    "problem_id": "validation_965",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The Hundred Years’ War",
      "B. The Fall of Constantinople",
      "C. The Black Death",
      "D. The Protestant Reformation",
      "E. The Reconquista"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> The animation highlights a historical crrisis that unexpectedly contributed to a region’s economic and intellectual rise. Which event played this role?",
    "problem_reserved_text": "The animation highlights a historical crrisis that unexpectedly contributed to a region’s economic and intellectual rise. Which event played this role?",
    "videos": [
      "./videos/History/4.mp4"
    ]
  },
  {
    "problem_id": "validation_967",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. one",
      "B. two",
      "C. three",
      "D. four",
      "E. five"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> Based on current medical advancements, the type of surgical procedure depicted is typically performed in multiple stages to ensure optimal integration and function. How many stages does this procedure usually involve?",
    "problem_reserved_text": "Based on current medical advancements, the type of surgical procedure depicted is typically performed in multiple stages to ensure optimal integration and function. How many stages does this procedure usually involve?",
    "videos": [
      "./videos/Dentistry/7.mp4"
    ]
  },
  {
    "problem_id": "validation_969",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Tooth extraction",
      "B. Root canal treatment",
      "C. Dental implant placement",
      "D. Gingival graft surgery",
      "E. Orthodontic bracket bonding"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> The surgical procedure depicted involves multiple steps. Based on the video, what type of dental treatment does the video most likely demonstrate?",
    "problem_reserved_text": "The surgical procedure depicted involves multiple steps. Based on the video, what type of dental treatment does the video most likely demonstrate?",
    "videos": [
      "./videos/Dentistry/8.mp4"
    ]
  },
  {
    "problem_id": "validation_990",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. HLA-B27",
      "B. HLA-DQ2/DQ8",
      "C. HLA-A3",
      "D. HLA-DR3/DR4",
      "E. HLA-DR5"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> Based on the provided clinical information and diagram, which of the following HLA haplotypes is most strongly associated with this patient's condition?",
    "problem_reserved_text": "Based on the provided clinical information and diagram, which of the following HLA haplotypes is most strongly associated with this patient's condition?",
    "videos": [
      "./videos/Clinical_Medicine/37.mp4"
    ]
  },
  {
    "problem_id": "validation_991",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Centrifugal pump",
      "B. Axial-flow fan",
      "C. Rotary screw compressor",
      "D. Hydraulic turbine",
      "E. Pulse jet engine"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> Which of the following devices employs the similar mechanism demonstrated in the video?",
    "problem_reserved_text": "Which of the following devices employs the similar mechanism demonstrated in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/7.mp4"
    ]
  },
  {
    "problem_id": "validation_992",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 0",
      "B. 1",
      "C. 2",
      "D. 3",
      "E. 4"
    ],
    "data_source": "MMVU",
    "answer": "<answer>C</answer>",
    "problem": "<video> After inserting 75, 83, and 61, how many rotations will occur in the tree structure to rebalance?",
    "problem_reserved_text": "After inserting 75, 83, and 61, how many rotations will occur in the tree structure to rebalance?",
    "videos": [
      "./videos/Computer_Science/51.mp4"
    ]
  },
  {
    "problem_id": "validation_993",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 0",
      "B. 1",
      "C. 2",
      "D. 3",
      "E. 4"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> How many rounds ended in a tie?",
    "problem_reserved_text": "How many rounds ended in a tie?",
    "videos": [
      "./videos/Mechanical_Engineering/35.mp4"
    ]
  },
  {
    "problem_id": "validation_994",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. The speedometer will read a higher speed than the actual speed because the larger wheels cause the cable to rotate faster.",
      "B. The speedometer will display the same speed as before, but the actual vehicle speed will be higher for the same reading due to the increased wheel circumference.",
      "C. The speedometer will automatically adjust and display the correct speed despite the wheel size change.",
      "D. The speedometer will malfunction because the larger wheels disrupt the magnetic interaction within the speedometer.",
      "E. The speedometer will read zero because the increased wheel size disengages the speedometer cable."
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> If a vehicle's wheel diameter is increased without altering the speedometer configuration, how does this modification affect the speedometer reading and why?",
    "problem_reserved_text": "If a vehicle's wheel diameter is increased without altering the speedometer configuration, how does this modification affect the speedometer reading and why?",
    "videos": [
      "./videos/Mechanical_Engineering/36.mp4"
    ]
  },
  {
    "problem_id": "validation_995",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Pulley",
      "B. Crank",
      "C. Gear System",
      "D. Wheel and Axle",
      "E. Lever"
    ],
    "data_source": "MMVU",
    "answer": "<answer>A</answer>",
    "problem": "<video> Which kind of machine structure is not used in the video?",
    "problem_reserved_text": "Which kind of machine structure is not used in the video?",
    "videos": [
      "./videos/Mechanical_Engineering/37.mp4"
    ]
  },
  {
    "problem_id": "validation_996",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. ox-tox hypothesis",
      "B. endosymbiosis hypothesis",
      "C. fusion hypothesis",
      "D. autogenous hypothesis",
      "E. hydrogen hypothesis"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What hypothesis does the video elaborate on mitochondria's origin?",
    "problem_reserved_text": "What hypothesis does the video elaborate on mitochondria's origin?",
    "videos": [
      "./videos/Biology/6.mp4"
    ]
  },
  {
    "problem_id": "validation_997",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Secretion of hormones",
      "B. Filtration function",
      "C. Ion exchange regulation",
      "D. Reabsorption function",
      "E. Regulation of blood pressure"
    ],
    "data_source": "MMVU",
    "answer": "<answer>B</answer>",
    "problem": "<video> What is the function of the kidney shown in the video?",
    "problem_reserved_text": "What is the function of the kidney shown in the video?",
    "videos": [
      "./videos/Clinical_Medicine/27.mp4"
    ]
  },
  {
    "problem_id": "validation_998",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. 3",
      "B. 6",
      "C. 4",
      "D. 8",
      "E. 5"
    ],
    "data_source": "MMVU",
    "answer": "<answer>D</answer>",
    "problem": "<video> How many spins collapses their wave functions under the observation of the cat?",
    "problem_reserved_text": "How many spins collapses their wave functions under the observation of the cat?",
    "videos": [
      "./videos/Modern_Physics/2.mp4"
    ]
  },
  {
    "problem_id": "validation_999",
    "data_type": "video",
    "problem_type": "multiple choice",
    "options": [
      "A. Floyd-Warshall algorithm",
      "B. Dijkstra algorithm",
      "C. Kruskal's algorithm",
      "D. Prim's algorithm",
      "E. Bellman-Ford algorithm"
    ],
    "data_source": "MMVU",
    "answer": "<answer>E</answer>",
    "problem": "<video> What algorithm may the video be introducing",
    "problem_reserved_text": "What algorithm may the video be introducing",
    "videos": [
      "./videos/Computer_Science/7.mp4"
    ]
  }
]