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: direction 
Words: right, descending, down, opposite of up, emotional supports

Answer: emotional supports


Question: Category: bird 
Words: ostrich, digger, sandpiper, crane, goose

Answer: digger


Question: Category: weather 
Words: make the grade, raining, fair, luke, honorable

Answer:
honorable