a man standing in front of a class of people

Prompt 1: a man standing in front of a classroom. he is giving a presentation and pointing to different slides on the screen. the class is listening attentively to his lecture.

Prompt 2: a man standing in front of a classroom, speaking to the students. the students are seated in chairs, and the man is standing in front of a screen. the classroom is well-lit, and the man is wearing a white shirt. the students are attentive and listening to the man's lecture.