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: weather 
Words: impartial, 70, warm, fair, luke

Answer: impartial


Question: Category: food 
Words: provision, frank, hot dog, goodies, harsh

Answer: harsh


Question: Category: widespread 
Words: colonel, ordinary, standard, ubiquitous, general

Answer:
colonel