a man in a white lab coat standing in front of a group of students

Prompt 1: a man is seen sitting in front of a bookshelf, talking to the camera. behind him, there are other people who are also talking. the man continues to talk while the others listen. the setting appears to be a library or a study room. the man's attire suggests that he might be a lecturer or a teacher. the people behind him seem to be students or researchers who are listening to his lecture or discussion. overall, seems to be a recording of a lecture or a discussion in a library or study room.

Prompt 2: a man in a white lab coat who is seen sitting in front of a group of people. he is seen talking to the camera and pointing to his colleagues. the man is later seen in a classroom with a group of people. he is seen talking to the camera while pointing to his colleagues. seems to be focused on the man's interaction with his colleagues and the classroom setting.