{"challenge_id": "-4kVq528obhVdJzPhOcu-4xn", "round": 1, "total_rounds": 2, "reference": "\u25c6", "choices": [{"id": "kLBCRcp-ANdP", "symbol": "\u271a"}, {"id": "7y7b-I43nMYM", "symbol": "\u25cf"}, {"id": "CtNgHIhpDwMa", "symbol": "\u25c6"}, {"id": "dps-tS5B2lGd", "symbol": "\u25b2"}, {"id": "wXeN5UcmE35v", "symbol": "\u2600"}, {"id": "9eSPk7jnK_Jb", "symbol": "\u2605"}], "ok": true, "prompt": "Tap the icon that matches the large symbol."}