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: hunt, fish, stingray, dolphin, bat
Example Output: hunt

Example Input: round, duplex, flat, smooshed, townhome
Example Output: smooshed

Example Input: pork, weenie, goodies, honest, frank
Example Output:
honest