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:
annoyed, detailed, well, fine, content

Ex Output:
detailed


Ex Input:
provision, frank, hot dog, goodies, harsh

Ex Output:
harsh


Ex Input:
classy, relaxed, mad, decent, fine

Ex Output:

classy