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: weenie, provision, frank, cheese, precise

Output: precise


Input: Consider Input: close, nearest, touching, on top of, barred

Output: barred


Input: Consider Input: round, lined, valley, plane, flat


Output: round