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: food 
Words: frank, entree, goodies, concise, wiener

Answer: concise


Question: Category: baby animals 
Words: buck, bambi, lust, fawn, deer

Answer: lust


Question: Category: baby animals 
Words: fawn, social, cub, kid, colt

Answer:
social