instruction:
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.
question:
Category: accomodation 
Words: mansion, mountain, flat, house, duplex
answer:
mountain


question:
Category: fried food 
Words: croquet, dumpling, fritter, spend, patty
answer:
spend


question:
Category: police punishment 
Words: money, fine, prime, ticket, dull
answer:

dull