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

gpt: there is only one person in the video.

human: is the person a man or a woman?

gpt: The person is a man.

human: how did the video began?

gpt: by the man cleaning his face with towel.

human: and what happened after he cleaned his face?

gpt: He tried to open the knob of door.

human: was he successful opening the door?

gpt: he then realized he still has towel in his band so came back.