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

Guessing-game dialogue about one of the objects:
q: is it alive?
a: No
q: is it a seat?
a: No
q: is it a trash can?
a: No
q: is it a ball?
a: Yes