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

Guessing-game dialogue about one of the objects:
q: is it in left?
a: Yes
q: is it person?
a: Yes
q: Is he on the front left wearing a cap?
a: Yes