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: leverage, solid, firm, amalgamated, concerted

Output: solid


Input: Consider Input: vittles, integrity, cheese, pork, frank

Output: integrity


Input: Consider Input: variety, fine, fair, ok, balanced


Output: variety