The dinosaurs were flying raptors, fresh from circling the trash heaps on the edge of the city.
The flying raptors, fresh from circling the trash heaps on the edge of the city, were dinosuars.
Dinosaurs don't exist, so there could not have been any raptors.
People sitting and talking.
The buildings are impressive but are not in the best state of repair.
The man is sitting underwater.
No, do not do that.
There is a woman singing.
There is not enough detail available in some published case studies.