Objects in the image:
category: person
category: sports ball
category: tennis racket
category: tennis racket
category: person
category: backpack
category: sports ball
category: sports ball
category: backpack

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a racquet?
a: No
q: is it a ball?
a: Yes
q: is it the ball on the right closest to the racquet?
a: Yes
q: is it the one close to the fence?
a: Yes