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: basic, general, common, plain, admiral
Example Output: admiral

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

Example Input: suspension, fine, calm, alert, relaxed
Example Output:
suspension