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: pack, hearts, deck, queen, rudder

Output: rudder


Input: Consider Input: deck, knockout, bow, sail, rudder

Output: knockout


Input: Consider Input: clothing, thing, content, excited, merchandise


Output: excited