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

Guessing-game dialogue about one of the objects:
q: is per son?
a: No
q: Is it the railing?
a: No
q: is skat e?
a: Yes
q: is on air?
a: No
q: is with white shirt?
a: No
q: is held by blue shirt red cap?
a: No
q: is with blue shirt seated?
a: Yes