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.

Example Input: goodies, wienerwurst, frank, hot dog, brash
Example Output: brash

Example Input: mad, beautiful, comfortable, fine, relaxed
Example Output: beautiful

Example Input: brash, meat, provision, frank, vittles
Example Output:
brash