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

Guessing-game dialogue about one of the objects:
q: is is a person on the field?
a: Yes
q: is it the umpire?
a: No
q: is it the batter?
a: No
q: is it the catcher?
a: No
q: is it the pitcher?
a: Yes