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: 70, mild, fair, dishonest, clime

Answer: dishonest


Question: Category: social gathering 
Words: meeting, cinema, club, group, submarine

Answer: submarine


Question: Category: secretary duty 
Words: file, fax, prepare, answer calls, document

Answer:
document