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

Guessing-game dialogue about one of the objects:
q: is it in front?
a: No
q: is it person?
a: Yes
q: is he playing?
a: No
q: is he inside?
a: No
q: i he in green?
a: No
q: i he in the right?
a: Yes
q: is it girl with specs in the front sitting in right?
a: No
q: i he next to her?
a: Yes