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.

Ex Input:
Category: animal 
Words: jump, drive, fly, eagle, beetle

Ex Output:
drive


Ex Input:
Category: elements 
Words: fire, earth, water, blaze, recruit

Ex Output:
recruit


Ex Input:
Category: location (proximity) 
Words: right there, close, nearest, beside, finished for the day

Ex Output:

finished for the day