Objects in the image:
category: person
category: backpack
category: person
category: person
category: person
category: baseball bat
category: person
category: backpack
category: sports ball
category: person
category: person

Guessing-game dialogue about one of the objects:
q: it is the ball?
a: No
q: it is person?
a: Yes
q: it is girl?
a: No
q: he is the boy which hold the stick?
a: Yes
q: he wear black short?
a: Yes