human: <image>
how many people are there in the video?

gpt: There is only the one person in the video.

human: did he walked in the video?

gpt: At the beginning it looks like he is off to the side before walking to the box and broom?

human: did he use the broom?

gpt: No, it does not show him use the broom.  He just picked it up before leaving.

human: did he stayed in the room for long time?

gpt: No, he was not in the room for very long.

human: so there is no one else in the entire video?

gpt: There is no one else in the video.