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: flat, level, mansion, smooshed, elevation

Output: mansion


Input: Consider Input: standard, general, regular, universal, commander

Output: commander


Input: Consider Input: raining, fine, clime, stormy, fair


Output: fine