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: fret, sad, amp, fingerpick, string

Output: sad


Input: Consider Input: unyielding, firm, llc, alignment, private

Output: unyielding


Input: Consider Input: bridge, deck, stern, dock, suits


Output: suits