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

Answer: harsh


Question: Category: weather 
Words: raining, sunny, fair, ghostly, windy

Answer: ghostly


Question: Category: bird 
Words: sandpiper, crane, upraise, heron, davit

Answer:
upraise