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

Guessing-game dialogue about one of the objects:
q: player or what?
a: No
q: Is it in the crowd?
a: Yes
q: wearing hat or what?
a: No
q: that fat guy in right corner?
a: No
q: left corner with glass on?
a: Yes