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: relaxed, warm, assured, level, cool

Output: warm


Input: Consider Input: persistent, cool, level, scorching, funny

Output: scorching


Input: Consider Input: texture, fair, 70, warm, raining


Output: texture