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: canvas, blocking, deck, sail, corner

Output: sail


Input: Consider Input: jog, cow, hike, duck, crouch

Output: cow


Input: Consider Input: down, unhappy, emotionalities, south, emotional state


Output: south