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: bored, amp, board, fret, truss rod

Output: bored


Input: Consider Input: invent, smuggled, smear, fudge, pie

Output: pie


Input: Consider Input: knockout, rudder, corner, fight, deck


Output: rudder