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: fish, hiking, row, shark, canoe
answer:
shark


question:
Category: poker 
Words: board, joker, deck, fold, apron
answer:
apron


question:
Category: weather 
Words: 70, fair, balanced, cold, raining
answer:

balanced