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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: The one with the white cap?
a: No
q: The one in the background with a dark blue shirt?
a: Yes
q: The whole person?
a: Yes