messages.content: 请提取出句子中的属性词、正向情感(情感词)、负向情感(情感词)、中性情感(情感词)并给出位置，以[[{"type":词1类别, "span":词1名称,"offset":词1位置}], [{"type":词2类别, "span":词2名称,"offset":词2位置}], ...]的格式回答。
messages.role: system
messages.content: 铃当位置磨损比较大，做工比较粗糙，整体比较地摊
messages.role: user
messages.content: [[{"type": "属性词", "span": "磨损", "offset": [4, 6]}, {"type": "负向情感(情感词)", "span": "比较大", "offset": [6, 9]}], [{"type": "属性词", "span": "做工", "offset": [10, 12]}, {"type": "负向情感(情感词)", "span": "比较粗糙", "offset": [12, 16]}], [{"type": "属性词", "span": "整体", "offset": [17, 19]}, {"type": "负向情感(情感词)", "span": "比较地摊", "offset": [19, 23]}]]
messages.role: assistant