a man giving a presentation to a group of people

Prompt 1: a man standing in front of a large screen, pointing at various parts of the screen while talking. he then proceeds to write on a whiteboard, and ends with the man walking away.

Prompt 2: a man is seen standing in front of a large screen, pointing to a screen that is in front of him. he then proceeds to talk about the screen and its features. the man is dressed in a suit and tie, and he appears to be quite knowledgeable about the topic he is discussing. the screen is quite large, and it is filled with various images and text. the man seems to be explaining the different features of the screen, and he is quite animated in his delivery. overall, seems to be a demonstration or tutorial of some sort, with the man providing detailed information about the screen and its capabilities.