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: chocolate food 
Words: rich, chocolate, fudge, chocolate cake, unwarranted

Answer: unwarranted


Question: Category: weather 
Words: raining, cold, sunny, alright, fair

Answer: alright


Question: Category: date status 
Words: dastards, current, whirlpool, timely, up to the moment

Answer:
whirlpool