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: finger, heel, foot, ounce, elbow

Output: ounce


Input: Consider Input: delayed, brine, belated, current, postponed

Output: brine


Input: Consider Input: crane, mallet, winch, tackle, hoist


Output: mallet