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: fly, fish, flap, bike, glide
Example Output: fish

Example Input: fight, chips, deck, canvas, box
Example Output: chips

Example Input: fair, medium, light, unjust, flaxen
Example Output:
unjust