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:
belated, jetstream, detestings, current, delayed

Ex Output:
jetstream


Ex Input:
hike, mice, canoe, kayak, fish

Ex Output:

mice