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: jog, flap, fly, bee, bus

Output: bee


Input: Consider Input: heron, davit, egret, derrick, crane

Output: davit


Input: Consider Input: custody, fine, jail time, attractive, penalty


Output: attractive