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: animals 
Words: duck, jog, cat, pig, mallet

Output: jog


Input: Consider Input: Category: ocean 
Words: current, early, water, brine, tide

Output: early


Input: Consider Input: Category: emotional display 
Words: lust, fawn, woods, swoon, cute


Output: woods