<|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: 2018年上半年下单购买，如图，外面纸包装上是2017.2生产，保鲜盒其实本身写的是2016.7生产，收到的时候，2016被划掉了。另外，保鲜盒上有多处划痕。不知道该说什么，究竟是亚马逊卖不掉都是陈年旧货吗？

Question: 保鲜盒的生产日期是什么时候？<|eot_id|><|start_header_id|>assistant<|end_header_id|>

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