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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is the net?
a: No
q: is the racquet?
a: No
q: is the court?
a: No
q: is the camera?
a: No
q: is it on a person?
a: No
q: is it shadows?
a: No
q: Is it in the top half of the photo?
a: Yes
q: Is it the white speck on the left side of the photo, by the net?
a: No
q: is it any of the logos?
a: No
q: is it on the left side?
a: Yes
q: is it the stand?
a: Yes