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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they wearing red?
a: No
q: is it the umpire?
a: No
q: is it the pitcher?
a: No
q: the guy behind the umpire?
a: N/A
q: is it the catcher?
a: Yes