{
  "seed": "berlin_wall",
  "domain": "history",
  "tasks": [
    {
      "task_id": "sample_history_berlin_wall_001",
      "level": 0,
      "domain": "history",
      "clues": "A wall that divided a major European city fell in November 1989. It had been standing for 28 years.",
      "question": "In what month and year was this wall originally constructed?",
      "truth": "August 1961",
      "truth_type": "date",
      "supporting_items": [
        {
          "id": "chunk_berlin_wall_001",
          "reasoning": "Contains Berlin Wall construction and fall dates",
          "clue_quotes": ["wall", "divided", "European city", "November 1989", "28 years"],
          "item_quotes": ["Berlin Wall", "August 1961", "November 1989", "East Berlin", "West Berlin"],
          "truth_quotes": ["constructed in August 1961"],
          "contains_truth": true,
          "not_relevant": false
        },
        {
          "id": "chunk_berlin_wall_002",
          "reasoning": "Historical context about the division",
          "clue_quotes": ["divided", "wall"],
          "item_quotes": ["Cold War", "Germany", "division"],
          "truth_quotes": [],
          "contains_truth": false,
          "not_relevant": false
        },
        {
          "id": "chunk_berlin_001",
          "reasoning": "Information about the city itself",
          "clue_quotes": ["European city"],
          "item_quotes": ["Berlin", "capital", "Germany"],
          "truth_quotes": [],
          "contains_truth": false,
          "not_relevant": false
        }
      ],
      "items_and_contents": {
        "chunk_berlin_wall_001": "The Berlin Wall was constructed in August 1961 by the German Democratic Republic (East Germany). It stood for 28 years until it fell on November 9, 1989, becoming a pivotal moment in the end of the Cold War.",
        "chunk_berlin_wall_002": "The Berlin Wall represented the physical division between East and West during the Cold War. Families were separated, and many died attempting to cross from East to West Berlin.",
        "chunk_berlin_001": "Berlin is the capital and largest city of Germany. After World War II, the city was divided into four sectors controlled by the Allied powers."
      },
      "valid_distractors": [
        {
          "id": "chunk_wwii_001",
          "reasoning": "Related historical period but different event",
          "contains_truth": false
        }
      ],
      "distractors_and_contents": {
        "chunk_wwii_001": "World War II in Europe ended on May 8, 1945, with Germany's unconditional surrender. This date is commemorated as Victory in Europe Day (V-E Day)."
      },
      "passed_verification": true,
      "extraction_retry_count": 0
    }
  ]
}