Q: "Three men are playing professional hockey." Does this mean that "The men are playing a sport."?
A: yes

Q: "Cars are driving under a bridge in a city." Does this mean that "cars are driving"?
A: yes

Q: "A black dog in tall grass with a bird in its mouth." Does this mean that "dog catches bird"?
A: yes

Q: "Man with backpack hanging a sign on a pole in a lobby." Does this mean that "A man is putting up a sign for a pet walking business."?
A:
it is not possible to tell