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

Guessing-game dialogue about one of the objects:
q: Is it human?
a: Yes
q: Boy playing with skating board in air?
a: No
q: yellow colour shirt person?
a: No
q: white colour shirt person?
a: No
q: green colour shirt person?
a: No
q: man with brown colour cap in head?
a: No
q: man between white shirt person and brown cap person?
a: No
q: blue colour shirt person?
a: Yes
q: blue shirt person available between the black shirt person and a white colour object?
a: Yes