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: flamingo, crane, davit, pelican, derrick

Output: davit


Input: Consider Input: fat, calories, thin, salt, vitamin c

Output: thin


Input: Consider Input: slow, shut, closest, finished for the day, close


Output: closest