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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Are they behind the plater?
a: N/A
q: Are they behind the home plate?
a: Yes
q: Do they have a glove on?
a: No
q: Is it the umpire?
a: Yes
q: Is it the whole umpire?
a: Yes