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: blow, squander, apple, fritter, divide

Output: apple


Input: Consider Input: acceptable, mad, fine, comfortable, probation

Output: probation


Input: Consider Input: united, synergy, unbending, common, firm


Output: unbending