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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: a bat?
a: No
q: the ball?
a: No
q: Is it the sign?
a: No
q: something on one of the people?
a: Yes
q: a hat?
a: No
q: guards on the catcher?
a: No
q: a mitt?
a: Yes
q: on the pitcher?
a: N/A
q: the guy in the field?
a: Yes