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:
schedule, errands, file, schedule appointments, hardware

Ex Output:
hardware


Ex Input:
deck, ring, fold, corner, jab

Ex Output:

fold