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: joker, fold, check, deck, jab
Example Output: jab

Example Input: jog, flap, fly, bee, bus
Example Output: bee

Example Input: goat, stingray, tiger, hike, fish
Example Output:
hike