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: tide, current, flow, detests, whirlpool

Output: detests


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

Output: probation


Input: Consider Input: flaxen, fair, fine, ghostly, cool


Output: fine