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: standard, general, regular, universal, commander

Output: commander


Input: Consider Input: ashamed, disgusted, emotional upsets, right, down

Output: right


Input: Consider Input: windlass, dump truck, swift, winch, crane


Output: swift