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: fair, pale, 70, clime, tangle

Output: pale


Input: Consider Input: down, kind, ashamed, sliding, unhappy

Output: sliding


Input: Consider Input: truss rod, fret, fingerpick, concerned, notes


Output: concerned