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: outdoor sport activity 
Words: whale, fish, raft, hiking, kayak
answer:
whale


question:
Category: body part 
Words: inch, head, foot, ear, finger
answer:
inch


question:
Category: aesthetic characteristic 
Words: classy, alright, detailed, fine, bright
answer:

alright