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.

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

Output: goat


Input: Consider Input: Category: activity 
Words: blow, waste away, sweet roll, whittle, fritter

Output: sweet roll


Input: Consider Input: Category: emotional status 
Words: miserable, emotional supports, down, kind, south


Output: south