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: board, caution, fight, punch, deck

Output: board


Input: Consider Input: fair, dishonest, make the grade, unjust, well

Output: make the grade


Input: Consider Input: loyal, fair, 70, stormy, cold


Output: loyal