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: baby animals 
Words: fawn, deer, buck, kitten, cajole

Answer: cajole


Question: Category: shady activities 
Words: wrongful, fudge, unwarranted, fix, cake

Answer: cake


Question: Category: bird 
Words: winch, swift, crane, hoist, ostrich

Answer:
winch