In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

Q: what size sim card for ipad 4th generation

A: Nano-SIM
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Q: who was ancient china's main enemy that lived to the north

A: Sui Dynasty
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Q: what episode does mr eko die in lost

A:
I Do
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