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: jail, probation, fine, classy, firstrate

Output: classy


Input: Consider Input: flaxen, fair, sunny, cool, pale

Output: sunny


Input: Consider Input: praise, empower, fire, water, recruit


Output: water