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: annoyed, detailed, well, fine, content
Example Output: detailed

Example Input: goodies, weenie, blunt, wiener, frank
Example Output: blunt

Example Input: fish, hike, hunting, row, dog
Example Output:
dog