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

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: catchers glove?
a: No
q: ball / ?
a: Yes
q: is it the entire thing?  I've seen some where it's only front or back part?
a: Yes