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

Guessing-game dialogue about one of the objects:
q: is it a player?
a: No
q: is it a fan on this side of the court?
a: Yes
q: is it a man?
a: Yes
q: is he in the section on the left?
a: No
q: does he have a hat on?
a: No
q: is he grey haired?
a: No
q: Is he in the very back?
a: N/A
q: is it the guy in the lower right corner cut off by screen?
a: No
q: is it the person right in front of him?
a: Yes
q: is it a young boy?
a: Yes