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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: One of the two players closest to us?
a: No
q: Left half of the picture?
a: No
q: So upper right quarter of picture, right?
a: Yes
q: Wearing red?
a: No
q: Wearing white?
a: Yes
q: Next to the lady at the other side of the net?
a: No
q: Close to right edge of picture?
a: Yes