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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is it the person balancing on the bar in the foreground?
a: No
q: Do you see more than two people in the background of the picture?
a: No
q: is it a person?
a: Yes
q: one on skate board?
a: No
q: one to his left?
a: Yes
q: the taller one?
a: No
q: the shorter one in brown?
a: Yes