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: keys, file, download, folder, type

Output: type


Input: Consider Input: ashamed, disgusted, emotional upsets, right, down

Output: right


Input: Consider Input: ice, let go, fire, sack, replace


Output: ice