Objects in the image:
category: baseball glove
category: person
category: person
category: sports ball
category: baseball glove
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it on a person?
a: Yes
q: is it a ball?
a: Yes
q: Is it the ball held by number 18?
a: Yes