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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the light?
a: No
q: is it the banner?
a: No
q: is it the chair?
a: Yes
q: is it the white one on the left?
a: No
q: is it the blue seat?
a: Yes
q: Is it the blue seat behind the net?
a: No
q: is it the object next to white chair?
a: Yes