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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it clothing?
a: No
q: can you easily pick it up?
a: Yes
q: is it one of the rackets?
a: No
q: is it the ball?
a: Yes
q: the on the the hand of the man in black?
a: Yes