Objects in the image:
category: person
category: person
category: person
category: skateboard
category: skateboard
category: person
category: person
category: person
category: skateboard
category: skateboard
category: person
category: person
category: skateboard
category: person
category: person
category: skateboard
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it jumping?
a: No
q: does it have a camera?
a: No
q: is it wearing cap/helmet?
a: Yes
q: Are they wearing a black t-shirt?
a: Yes
q: Does the shirt have a white mark on it?
a: Yes