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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: the player??
a: No
q: The person in white shorts and blue top on the court?
a: Yes