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:
misuse, danish, fritter, dally, whittle

Ex Output:
danish


Ex Input:
happy, fine, mad, level, decent

Ex Output:
level


Ex Input:
gin, uno, go fish, tequila, spades

Ex Output:

tequila