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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it one of the rackets?
a: No
q: Is it being worn by a person?
a: No
q: Is it the ball?
a: Yes