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: crane, ostrich, davit, dump truck, pelican

Output: dump truck


Input: Consider Input: motherboard, folder, hardware, file, schedule appointments

Output: schedule appointments


Input: Consider Input: fudge, smear, cream, pudding, cookies


Output: smear