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

gpt: Initally there is one man fixing a doorknob but then another man comes down the stairs

human: What did the person do when he gets down the stairs?

gpt: takes a sip of his coffee and continues down the next set of stairs

human: Did the other person keeps fixing the knob till the video ends?

gpt: Yes he is constantly working on the dooeknob

human: Do they interact?

gpt: no they never interact with each other

human: Any sound in the video?

gpt: No there is no sound in the video