[ { "voice": [ "direction/task_comparison/direction_pair_073.wav" ], "conversations": [ { "from": "human", "value": "Which clip sounds more 'up close' and in back? The clips are separated by 0.5 seconds. Only answer letter 'A' (refers to the first clip) or 'B' (refers to the second clip). Do not add any explanation, punctuation, or extra text.