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: ghostly, fair, medium, cold, well

Output: cold


Input: Consider Input: banned, fudge, invent, cupcake, loosen

Output: cupcake


Input: Consider Input: decent, unjust, texture, just, fair


Output: texture