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: sugar, angular momentum, large, area, fat

Output: sugar


Input: Consider Input: crane, ostrich, davit, dump truck, pelican

Output: dump truck


Input: Consider Input: emotional, ground, sliding, flat, down


Output: emotional