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: aesthetic characteristic 
Words: fine, ticket, dull, neat, detailed
answer:
ticket


question:
Category: window material 
Words: glass, spyhole, handle, coating, knive
answer:
knive


question:
Category: animal 
Words: raft, tiger, iguana, cow, fish
answer:

raft