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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the person riding the skateboard?
a: No
q: is it a person holding a skateboard?
a: Yes
q: is he wearing a striped shirt?
a: No
q: is he wearing a white shirt?
a: No
q: is he wearing no shirt?
a: Yes
q: does he have a mostly blue skateboard?
a: Yes
q: does he have grey pants?
a: Yes