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

Guessing-game dialogue about one of the objects:
q: is it alive?
a: No
q: is it a ball?
a: No
q: is it being held?
a: No
q: is it the net?
a: No
q: is it that green barrier?
a: No
q: is she wearing it?
a: No
q: is it that red thing under guy in blue shirt?
a: Yes