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: ocean 
Words: current, wave, whirlpool, sea, data sets

Output: data sets


Input: Consider Input: Category: weather 
Words: fair, unprejudiced, raining, windy, endure

Output: unprejudiced


Input: Consider Input: Category: moral characteristic 
Words: dishonest, fair, clime, balanced, alright


Output: clime