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: fudge, mangle, falsehood, falsification, cake
Example Output: cake

Example Input: cute, lust, bambi, swoon, fawn
Example Output: bambi

Example Input: molasses, fib, cookies, pudding, fudge
Example Output:
fib