{
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    "relation": "topic-surface-only",
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  "dek": "沙特阿拉伯王储穆罕默德·本·萨勒曼周一访问巴黎期间，沙特阿拉伯与法国阿尔斯通和达飞集团签署了公共交通和海运领域的合同，总金额近10亿欧元。爱丽舍宫宣布了这一消息。",
  "desk": "politics",
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      "title": "达飞集团和阿尔斯通与沙特签署重大基础设施合作协议",
      "url": "https://www.rfi.fr/cn/%E4%B8%AD%E4%B8%9C/20260824-%E8%BE%BE%E9%A3%9E%E9%9B%86%E5%9B%A2%E5%92%8C%E9%98%BF%E5%B0%94%E6%96%AF%E9%80%9A%E4%B8%8E%E6%B2%99%E7%89%B9%E7%AD%BE%E7%BD%B2%E9%87%8D%E5%A4%A7%E5%9F%BA%E7%A1%80%E8%AE%BE%E6%96%BD%E5%90%88%E4%BD%9C%E5%8D%8F%E8%AE%AE",
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  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
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    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
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      "evidence_item_id": "item-b451fc4cc40a3df298bd6d3c",
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