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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a tennis ball?
a: Yes
q: is it on the left side of the photo?
a: N/A
q: is it directly over the person's arm?
a: Yes