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: nervous, bored, emotional supports, chord, fret

Output: chord


Input: Consider Input: corner, ring, crew, deck, apron

Output: crew


Input: Consider Input: level, horizontal, duplex, flat, smooshed


Output: duplex