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:
goodies, sausage, frank, bold, entree

Ex Output:
bold


Ex Input:
fine, detached, decent, well, beautiful

Ex Output:
beautiful


Ex Input:
current, dastards, detestings, wave, belated

Ex Output:

wave