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

Guessing-game dialogue about one of the objects:
q: on left side?
a: No
q: is it a person?
a: Yes
q: is it the person on skateboard?
a: No
q: does he have a white shirt?
a: No
q: guy with red?
a: Yes