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

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 behind the fence?
a: Yes
q: Are they on the left of the tennis player?
a: No
q: do they have on a white shirt?
a: No
q: is he on or far right?
a: Yes
q: holding the fence?
a: Yes