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: alcoholic drinks 
Words: wine, rum, bridge, tonic, gin

Output: bridge


Input: Consider Input: Category: emotional status 
Words: board, bored, emotional supports, frustrated, fret

Output: board


Input: Consider Input: Category: personal characteristic 
Words: cool, level, funny, refreshing, classy


Output: refreshing