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

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: racket ??
a: No
q: car ??
a: No
q: ball ??
a: Yes
q: single one?
a: Yes
q: top most?
a: No
q: front side?
a: No
q: right ??
a: No
q: left bottom?
a: N/A