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: fritter, fried, cake, patty, seperate
Example Output: seperate

Example Input: mad, beautiful, comfortable, fine, relaxed
Example Output: beautiful

Example Input: decent, light, medium, fair, level
Example Output:
decent