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: trap, kayak, bat, climbing, fish
Example Output: bat

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

Example Input: paw, suppressed, cub, love, fawn
Example Output:
cub