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

Guessing-game dialogue about one of the objects:
q: it is a person?
a: Yes
q: it is a player?
a: N/A
q: it is a arbitrator?
a: No
q: Is it a camera?
a: No
q: it is a cameraman?
a: No
q: it is a person of team staff?
a: Yes
q: does he wear a white shirt?
a: No
q: does the wear a black shirt?
a: Yes
q: does he kneeling?
a: Yes