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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is it the athlete holding the racket in the front?
a: No
q: is he at the background wearing white?
a: Yes
q: his whole blouse/tshirt is white?
a: Yes
q: in the middle of two other people?
a: Yes