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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: Yes
q: is he wearing a cap?
a: No
q: Is he wearing an orange t-shirt?
a: No
q: is he on the other side of the court?
a: Yes