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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it batter?
a: No
q: is it catcher?
a: No
q: is it one of the players at back?
a: Yes
q: is it the leftmost?
a: No
q: is it 2nd?
a: No
q: is it 3rd?
a: No
q: is it 4th?
a: No