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: emotional display 
Words: pester, fawn, suppressed, follow, woods

Ex Output:
woods


Ex Input:
Category: type of sandwich 
Words: french toast, community, club, burger, dagwood

Ex Output:
community


Ex Input:
Category: weather 
Words: sunny, level, deal, fair, warm

Ex Output:

level