Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
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Question: Category: emotional status 
Words: alright, alert, fine, detached, level

Answer: level


Question: Category: social gathering 
Words: club, group, meeting, grilled cheese, convention

Answer: grilled cheese


Question: Category: boxing terminology 
Words: knockout, blocking, crew, tko, deck

Answer:
crew