{"reason": "claude 3.7 sonnet (high2) submitted an invalid proposal (target items not in text)", "solver": "gpt-4o", "winner": "gpt-4o", "players": ["gpt-4o", "claude 3.7 sonnet (high2)"], "proposer": "claude 3.7 sonnet (high2)", "game_over": true, "currentTurn": 1}