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: elephant, duck, sprint, dog, lion

Output: sprint


Input: Consider Input: balanced, well, milky, size, fair

Output: balanced


Input: Consider Input: unprejudiced, fair, dishonest, unjust, deal


Output: deal