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: type of sandwich 
Words: dagwood, club, doorstep, hamburger, community

Ex Output:
community


Ex Input:
Category: nutritional value 
Words: iron, heavy, vitamin c, fat, brittleness

Ex Output:
brittleness


Ex Input:
Category: moral characteristic 
Words: equitable, tangle, fair, just, honorable

Ex Output:

tangle