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:
dally, waste away, fried, whittle, fritter

Ex Output:
fried


Ex Input:
tide, belated, signal, current, jetstream

Ex Output:
belated


Ex Input:
headstock, fingerpick, inlays, fret, angry

Ex Output:

angry