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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the ball?
a: No
q: is it the racket?
a: No
q: is it the net?
a: No
q: is it being worn?
a: No
q: is it blue?
a: Yes
q: is it a seat?
a: Yes
q: is it on our right of the tennis player?
a: Yes
q: is it above the man looking down?
a: Yes
q: is it nearest to the tennis player?
a: Yes