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:
texture, deal, fair, cold, sunny

Ex Output:
texture


Ex Input:
fearful, food, content, nervous, excited

Ex Output:
food


Ex Input:
bridge, whisky, slapjack, gin, go fish

Ex Output:

whisky