Q: "Stage girl at a Vegas Review" Does this mean that "A person at a Vegas Review."?
A: it is not possible to tell

Q: "Two doctor working on a person in the operating room." Does this mean that "The doctors are surgeons."?
A: yes

Q: "The three men are playing cricket." Does this mean that "the men are athletes"?
A: it is not possible to tell

Q: "People on a boat carrying equipment." Does this mean that "There are people on a boat carrying equipment."?
A:
yes