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: tko, ring, corner, hearts, deck

Output: hearts


Input: Consider Input: content, sad, panicked, item, happy

Output: item


Input: Consider Input: truss rod, fret, emotional supports, pick, amp


Output: emotional supports