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

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: racket ??
a: No
q: person in the background?
a: No
q: ball ??
a: Yes
q: is it the person?
a: No
q: is it the object in his hand?
a: No
q: is it the ball in the left border of the picture?
a: No
q: is it the ball on the ground behind the man?
a: Yes