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: crying, truss rod, angry, emotional supports, fret

Output: truss rod


Input: Consider Input: wave, spider, fly, flap, car

Output: spider


Input: Consider Input: pie, cake, fritter, spend, sweet roll


Output: spend