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: persistent, cool, level, scorching, funny

Output: scorching


Input: Consider Input: lower, backward, down, falling, shameful

Output: shameful


Input: Consider Input: elephant, dodge, duck, lion, goose


Output: dodge