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: impartial, fair, equitable, level, ok

Output: level


Input: Consider Input: clan, place, club, community, toast

Output: toast


Input: Consider Input: apartment, lined, house, condominium, flat


Output: lined