{"challenge_id": "iig_u6tEjkZRJD_KZ7UPL4tG", "round": 1, "total_rounds": 2, "reference": "\u2605", "choices": [{"id": "J0RVN-ImSqak", "symbol": "\u26a1"}, {"id": "dsaU-pD4f3LG", "symbol": "\u2605"}, {"id": "zNRawMqILH09", "symbol": "\u2665"}, {"id": "Hdvt6IM2NbEg", "symbol": "\u2600"}, {"id": "L-NO9GetyYSq", "symbol": "\u271a"}, {"id": "0lsYI5DyqpzO", "symbol": "\u25b2"}], "ok": true, "prompt": "Tap the icon that matches the large symbol."}