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: stern, frank, weenie, brash, matter of fact
Example Output: weenie

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

Example Input: trustworthy, fair, fine, texture, equitable
Example Output:
texture