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: animal 
Words: soar, cockroach, walk, fly, run

Output: soar


Input: Consider Input: Category: alcoholic drinks 
Words: wine, rum, bridge, tonic, gin

Output: bridge


Input: Consider Input: Category: social gathering 
Words: team, dance hall, open-faced, club, cinema


Output: open-faced