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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is he playing?
a: No
q: is he in front?
a: No
q: is he in left?
a: Yes
q: is he in leftmost girl?
a: No
q: is it white shirt?
a: No
q: is he back to him?
a: No