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: heron, davit, egret, derrick, crane

Output: davit


Input: Consider Input: fine, prime, arrest, hot, jail time

Output: hot


Input: Consider Input: pastry, whittle, fritter, pie, dunker


Output: whittle