[
  {
      "video": ["./dataflow/example/dataflow-demo-video/video_cot_qa/ytb_7nRmsEw7nsE.mp4"],
      "problem_type": "multiple choice",
      "problem": "What appears on the screen in Russian during the missile's ascent?",
      "options": [
          "A. A YouTube subscription notification",
          "B. A military command",
          "C. A warning message",
          "D. A weather update"
      ],
      "data_type": "video",
      "solution": "<answer>A</answer>"
  },
  {
      "video": ["./dataflow/example/dataflow-demo-video/video_cot_qa/split_8.mp4"],
      "problem_type": "free-form",
      "problem": "What cooking action does the person perform with the black frying pan on the right burner?",
      "options": [],
      "data_type": "video",
      "solution": "<answer>The person cracks an egg into the black frying pan on the right burner.</answer>"
  },
  {
      "video": ["./dataflow/example/dataflow-demo-video/video_cot_qa/video_05282.mp4"],
      "problem_type": "numerical",
      "problem": "How many moving rubber objects are there when the video ends?",
      "options": [],
      "data_type": "video",
      "solution": "<answer>1</answer>"
  },
  {
      "image": ["./dataflow/example/dataflow-demo-video/video_cot_qa/identity_71274.png"],
      "problem_type": "OCR",
      "problem": "Please write out the expression of the formula in the image using LaTeX format.",
      "options": [],
      "data_type": "image",
      "solution": "<answer>1 4 = 4 + 2 + 8</answer>"
  },
  {
      "image": ["./dataflow/example/dataflow-demo-video/video_cot_qa/image_21088.png"],
      "problem_type": "regression",
      "problem": "Estimate the vertical distance between the yellow forklift with black handle and the metal shelving with white shelves. Please measure it in inches.",
      "options": [],
      "data_type": "image",
      "solution": "<answer>9.62</answer>"
  }
]