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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a racquet?
a: No
q: is it a chair?
a: Yes
q: is it one of the white ones?
a: Yes
q: is a person?
a: No
q: is a chair?
a: Yes
q: is the chair empty?
a: Yes
q: in the front row near the net?
a: Yes
q: 1st from left?
a: No
q: 2nd ??
a: No
q: 3rd ??
a: Yes