Objects in the image:
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: Yes
q: Is the person one of the three on the green court?
a: No
q: Is it the man in black seen through the door gap in the fence?
a: Yes