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

Guessing-game dialogue about one of the objects:
q: does it have wheels?
a: No
q: is it a person?
a: Yes
q: is he riding something?
a: No
q: are they wearing red?
a: No
q: are they wearing black?
a: Yes
q: are the standing by a pole?
a: Yes