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: mild, cold, level, stormy, fair

Output: level


Input: Consider Input: gunwale, deck, punch, sail, bow

Output: punch


Input: Consider Input: unjust, endure, trustworthy, fair, ok


Output: endure