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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: Is it on the play field?
a: No
q: left from the girl with racket?
a: No
q: right from the old guy in green?
a: Yes
q: right from the guy in black in front row?
a: No
q: is it woman?
a: Yes
q: is she sitting?
a: Yes
q: in blueish??
a: No
q: in black?
a: No
q: in grey or white?
a: Yes