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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something you wear?
a: No
q: does it have something to do with tennis?
a: Yes
q: is it a racket?
a: Yes
q: is it the racket the girl next to net has?
a: Yes