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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is the person on a bike?
a: No
q: Is the person jumping?
a: Yes
q: Is there a skateboard under the person?
a: Yes