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: store status 
Words: beside, finished for the day, running., close, gated

Ex Output:
beside


Ex Input:
Category: accomodation 
Words: elevation, level, round, flat, townhome

Ex Output:
elevation


Ex Input:
Category: store status 
Words: shut, bordering, steady, close, gated

Ex Output:

bordering