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: bike, beetle, leap, ant, fly

Output: bike


Input: Consider Input: penalty, handsome, suspension, hearing, fine

Output: handsome


Input: Consider Input: flame, replace, fire, empower, scold


Output: flame