<|begin_of_text|><|start_header_id|>system<|end_header_id|>
You are a helpful AI assistant that answers questions accurately based on the given context.<|eot_id|><|start_header_id|>user<|end_header_id|>

Context: 34CM的床垫不是一般的厚，不要床直接睡床垫都可以了。质量很好，不管是正面还是背面，都挺软的，睡眠很舒服，躺在上面很快就睡着了。床垫收到后因为快递暴力运输有两处有些污渍，雅兰客服很负责，很有效率的联系解决了问题。

Question: 客服怎么解决的问题？<|eot_id|><|start_header_id|>assistant<|end_header_id|>

Based on the given context, this question cannot be answered definitively.<|eot_id|>