Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Ex Input:
alright, fine, annoyed, high quality, content

Ex Output:
high quality


Ex Input:
board, caution, fight, punch, deck

Ex Output:
board


Ex Input:
leap, waggle, dangle, fly, swim

Ex Output:

swim