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: buck, bambi, lust, fawn, deer

Answer: lust


Question: Category: shady activities 
Words: falsification, wrongful, rich, fudge, unlicensed

Answer: rich


Question: Category: moral characteristic 
Words: ok, dishonest, fair, pale, unjust

Answer:
pale