{
  "leg": "C2",
  "item_id": "c2-num-2",
  "category": "arithmetic-date-unit",
  "proxy_item": false,
  "model": "gemma4:31b",
  "think": false,
  "posture": "think:false",
  "reasoning_strength": null,
  "repeat": 1,
  "started_at": "2026-08-26T08:54:56.848078Z",
  "num_predict": 1536,
  "timeout_s": 240,
  "request": {
    "model": "gemma4:31b",
    "stream": false,
    "think": false,
    "options": {
      "num_ctx": 32768,
      "temperature": 0,
      "top_p": 1,
      "num_predict": 1536
    },
    "messages": [
      {
        "role": "user",
        "content": "A tournament begins on Friday 27 February 2026 and runs for 45 consecutive days, counting the opening day as day 1.\n\nOn what calendar date does day 45 fall, and what weekday is it?\n\nEnd your reply with a final line of exactly this form and nothing after it:\nANSWER: <YYYY-MM-DD> <Weekday>"
      }
    ]
  },
  "answer": "To determine the date of day 45, we start from Friday, 27 February 2026.\n\n1.  **Determine the number of days in February 2026**: 2026 is not a leap year, so February has 28 days.\n2.  **Calculate days remaining in February**:\n    Day 1 is Feb 27.\n    Day 2 is Feb 28.\n    (2 days in February).\n3.  **Calculate remaining days to reach day 45**:\n    $45 - 2 = 43$ days remaining.\n4.  **Subtract days in March**:\n    March has 31 days.\n    $43 - 31 = 12$ days remaining.\n5.  **Determine the final date**:\n    The remaining 12 days fall into April.\n    Therefore, day 45 is **12 April 2026**.\n6.  **Determine the weekday**:\n    The tournament starts on a Friday (Day 1).\n    The weekday repeats every 7 days.\n    $45 \\div 7 = 6$ with a remainder of 3.\n    Day 1: Friday\n    Day 2: Saturday\n    Day 3: Sunday\n    ...\n    Day 43: Friday (since $42$ is a multiple of 7, Day $1+42$ is the same weekday)\n    Day 44: Saturday\n    Day 45: Sunday\n\nANSWER: 2026-04-12 Sunday",
  "thinking": "",
  "done_reason": "stop",
  "timing": {
    "wall_s": 13.321,
    "total_duration_s": 13.319,
    "load_duration_s": 0.398,
    "prompt_eval_count": 93,
    "prompt_eval_duration_s": 0.28,
    "eval_count": 352,
    "eval_duration_s": 12.41,
    "eval_tok_s": 28.36
  },
  "error": null
}