Which of the following individuals is NOT a firefighter on the Perry Fire Department?

The individual who is not a firefighter on the Perry Fire Department is John. This likely means that John does not hold the title or position of a firefighter within the department, while Clay, Mac, and LT Brian do. It’s important to note that titles like "LT" (Lieutenant) often indicate that person has risen through the ranks to a supervisory position, still within the firefighter category, while Clay and Mac likely represent standard firefighter roles. The distinction lies primarily in John not belonging to this group, highlighting the organization and roles within a firefighting team. Understanding the structure and titles within fire departments can clarify who holds certain responsibilities and ranks.