What does a ferret like to crawl up?\nOptions:\n- great britain\n- mother's hair\n- petting zoo\n- building\n- trouser leg
Let's think carefully first. Step-by-step reasoning process:
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Ferret legging is game where contestants take live ferrets and shove them down their trouser. Ferret crawl up trouser leg in ferret legging. So the final answer is trouser leg.
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