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: vitamin c, salt, fat, big, absorption

Output: absorption


Input: Consider Input: tangle, fair, impartial, dishonest, balanced

Output: tangle


Input: Consider Input: descending, remorseful, down, right, ground


Output: remorseful