Third Person omniscient means that the narrator can not only hear the protagonists thoughts but also everyone else. Therefore the story can be told from may different perspectives. Hope it helped :)
One example would be<span> me, the other lifeguards, and the swimmers.
Under categories of Agencies, pentad refers to The group of people or the organization that committed to a certain action within a certain environment
In a swimming pool, lifeguards, customers, and swimmers are the group of people that doing the action.</span>