Objects in the image:
category: person
category: tennis racket
category: tennis racket
category: person
category: tennis racket
category: car
category: tennis racket
category: person
category: tennis racket
category: person
category: person
category: tennis racket
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he white?
a: Yes
q: is he in red?
a: No
q: is he in a white shirt?
a: No
q: is he in a black shirt?
a: Yes
q: is he on the right?
a: No
q: is he behind the boy  in the striped shirt?
a: Yes