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: color, variety, well, fair, decent

Output: decent


Input: Consider Input: hiking, stingray, shark, fish, tiger

Output: hiking


Input: Consider Input: mild, fair, cool, size, milky


Output: mild