sparsely populated lecture hall

sparsely populated lecture hall. Several rows of wooden desks with attached seats are visible, angled toward the front of the room. Three women are initially present. One is sitting in the front row on the right, wearing a white shirt. Another woman with curly hair is in the row behind her, also wearing a white shirt. A third woman is seated in the back row, wearing a white shirt. The walls of the lecture hall are painted white with a brown trim at the bottom. There are two whiteboards at the front of the room, and a wooden podium. A man wearing a white coat walks through the classroom, talking on a cell phone. More students wearing white begin to appear in the classroom.