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: crew, ring, deck, blocking, punch

Output: crew

Input: Consider Input: stern, frank, weenie, harsh, concise

Output: weenie

Input: Consider Input: sergeant, commander, sargent, regular, general
Output: regular