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.

Example Input: level, draw, deck, tko, punch
Example Output: draw

Example Input: fat, sugar, ugly, chunky, angular momentum
Example Output: sugar

Example Input: fudge, chocolate, chocolate cake, smuggled, brownie
Example Output:
smuggled