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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is he in air with skateboard?
a: Yes