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: weather 
Words: fair, unprejudiced, raining, windy, endure

Ex Output:
unprejudiced


Ex Input:
Category: location (proximity) 
Words: beside, close, steady, nearest, nearer

Ex Output:
steady


Ex Input:
Category: location (proximity) 
Words: adjacent, closest, close, busy, right there

Ex Output:

busy