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 status 
Words: fret, emotional supports, output cord, angry, concerned

Ex Output:
output cord


Ex Input:
Category: chocolate food 
Words: rich, chocolate, fudge, chocolate cake, unwarranted

Ex Output:
unwarranted


Ex Input:
Category: food 
Words: honest, weenie, provision, frank, pork

Ex Output:

honest