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

Guessing-game dialogue about one of the objects:
q: Is it living?
a: No
q: Is it in the foreground?
a: No
q: Is it round?
a: Yes
q: Is it green?
a: Yes
q: Is a person holding it?
a: No