Q: "A man rides a horse down the street as a crowd watches." Does this mean that "A man riding a horse."?
A: yes

Q: "A group of teenagers in formal wear mingle and look at each other." Does this mean that "teenagers are playing hockey on ice"?
A: no

Q: "Six young men sitting around a round table drinking beer." Does this mean that "One man is an alchoholic."?
A: it is not possible to tell

Q: "A woman is dancing on a stage." Does this mean that "A woman is dancing at a club."?
A:
it is not possible to tell