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: flamingo, crane, davit, pelican, derrick

Output: davit


Input: Consider Input: level, tone, fair, impartial, milky

Output: impartial


Input: Consider Input: warm, 70, endure, cool, fair


Output: cool