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.

Input: Consider Input: cupcake, fudge, tart, smear, cream

Output: smear


Input: Consider Input: fish, bat, mice, dog, hiking

Output: hiking


Input: Consider Input: glove, blocking, punch, deck, sail


Output: sail