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

Guessing-game dialogue about one of the objects:
q: Is it human?
a: No
q: Is it round?
a: Yes
q: Is it's size larger than other balls in the photo?
a: Yes
q: If you cut the picture in half horizontally, is the ball in the top part of the picture?
a: No
q: If you cut the picture in half vertically, is the ball on the right side of the picture?
a: No