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: egret, crane, goose, dump truck, duck

Output: dump truck


Input: Consider Input: honorable, medium, trustworthy, fair, balanced

Output: medium


Input: Consider Input: swallow, davit, crane, parrot, pelican


Output: davit