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: neat, fine, classy, penalty, high quality

Output: penalty


Input: Consider Input: signal, sea, current, drink, belated

Output: belated


Input: Consider Input: fire, cool, water, ban, ice


Output: ban