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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it inside the fenced area?
a: Yes
q: is it a racket?
a: No
q: it is a ball?
a: No
q: is it a chair?
a: Yes
q: from left to right..chair 1?
a: No
q: is it the second chair?
a: Yes