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.

Category: outdoor sport activity 
Words: hunting, goat, wrestle, fish, raft
goat

Category: chocolate food 
Words: fudge, chocolate cake, pudding, unwarranted, heavy
unwarranted

Category: weather 
Words: fair, raining, warm, luke, balanced

balanced