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: fine, classy, mad, happy, relaxed

Output: classy


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

Output: knockout


Input: Consider Input: group, clan, team, club, doorstep


Output: doorstep