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: measurement unit 
Words: centimeter, leg, mile, meter, foot

Output: leg


Input: Consider Input: Category: baby animals 
Words: woods, buck, fawn, swoon, bambi


Output: swoon