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

Example Input: crane, winch, mallet, winch, flamingo
Example Output: winch

Example Input: fret, angry, jack, nervous, emotionalities
Example Output:
jack