Complex sentence: Dr. Brooks comes by with a camera and asks to take a picture of the two for a bulletin board; they pose, and as Dr. Brooks leaves, Hurley pretends to take the medicine but later shows Dave that he hasn't really swallowed it.
Split into simpler sentences: Dr. Brooks comes by with a camera and asks to take a picture of the two for a bulletin board. They give a pose, and as Dr. Brooks leaves, Hurley pretends to take the medicine, but shows Dave that he hasn't really swallowed it.