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: stingray, fish, camp, swim, hunt
Example Output: stingray

Example Input: comfortable, money, fine, prison, jail time
Example Output: comfortable

Example Input: whisky, gin, canasta, bridge, spades
Example Output:
whisky