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

gpt: Two people are in the video.

human: How old are they?

gpt: One looks about 8, the other 12 or 13.

human: What are their sexes?

gpt: The children are both girls.

human: What are they doing?

gpt: The older girl is sweeping the stair.  The younger one walks up.  The older one had been sleeping on the floor of the stairwell.

human: Do you see any pets in the video?

gpt: I do not see any pets.