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: boats 
Words: deck, call, galley, bridge, stern

Output: call


Input: Consider Input: Category: activity 
Words: divide, croquet, fritter, squander, spend

Output: croquet


Input: Consider Input: Category: food 
Words: concise, cheese, meat, bun, frank


Output: concise