[ { "qid": "1714394113.712092_fig", "query": "A man is featured in replays, standing in front of a brick building with a sloped roof, wearing a black jacket and blue shorts, holding a sandwich, as another person lies on the ground in distress.", "messages": [ { "role": "system", "content": "You are a multi-turn video retrieval assistant.\nYour goal is to determine whether a retrieved video matches the original query.\n\nYou will generate a latent query representation for retrieval.\nThis representation is not human-readable.\n\nOutput rules (MUST follow exactly):\n- Turn 1: output `New query:` followed by and exactly 8 soft tokens, then .\n- Turn 2+: if not matched, output , then `New query:` with and exactly 4 soft tokens.\n- Always output matched or not_matched.\n- Do not invent details beyond the query or provided caption.\n" }, { "role": "user", "content": "Query: \"A man is featured in replays, standing in front of a brick building with a sloped roof, wearing a black jacket and blue shorts, holding a sandwich, as another person lies on the ground in distress.\"\nInstruction: Generate a retrieval-oriented query representation." }, { "role": "assistant", "content": "New query: " }, { "role": "user", "content": "Retrieved video: