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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it bat?
a: No
q: is it helmet?
a: No
q: is it worn by a person?
a: No
q: is it a ball?
a: Yes
q: is it in the pitchers hand?
a: Yes