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

Guessing-game dialogue about one of the objects:
q: is it the catchers mitt?
a: No
q: is it the bat?
a: No
q: is it on a player, worn by a player?
a: Yes
q: is it on the batter?
a: No
q: is it on the catcher?
a: Yes
q: is it his mask?
a: No
q: is it black?
a: No
q: is it him?
a: Yes