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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it green?
a: Yes
q: does it have white lines?
a: No
q: is it behind the fence?
a: Yes
q: is it tall?
a: No
q: can you walk on it?
a: No
q: is it in the middle?
a: Yes