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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the tennis player?
a: No
q: are they sitting in the stands?
a: Yes
q: are they wearing a hat?
a: Yes
q: is it the person in the pink shirt?
a: Yes