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: direction
Words: remorseful, south, descending, downward, down

Ex Output:
remorseful

Ex Input:
Category: type of sandwich
Words: dagwood, club, doorstep, hamburger, community

Ex Output:
community

Ex Input:
Category: fried food
Words: fried, doughnut, fritter, dessert, lollygag

Ex Output:
lollygag