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: stingray, row, raft, hunting, fish

Output: stingray


Input: Consider Input: flaxen, fair, sunny, cool, pale

Output: sunny


Input: Consider Input: fair, raining, just, well, balanced


Output: raining