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: fish, hiking, row, shark, canoe

Output: shark


Input: Consider Input: Category: moral characteristic 
Words: variety, fine, fair, ok, balanced

Output: variety


Input: Consider Input: Category: police punishment 
Words: money, fine, ticket, probation, there


Output: there