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: swim, leaves, fall, hiems, spring

Output: swim


Input: Consider Input: crying, concerned, pick, emotionalities, fret

Output: pick


Input: Consider Input: late, up to the moment, current, course, belated


Output: course