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: gated, right there, not open, barred, close

Output: right there


Input: Consider Input: unyielding, concerted, firm, combined, united

Output: unyielding


Input: Consider Input: fine, flyaway, firstrate, prison, level


Output: level