Assertion: plesiosaur's lung | /r/CapableOf | pump air
Facets:
value: in their skeletons
type: LOCATION
value: into hollow sacs
type: TRANSITIVE-OBJECT
Source sentences:
text: The lungs of theropod dinosaurs (carnivores that walked on two legs and had bird-like feet) likely pumped air into hollow sacs in their skeletons, as is the case in birds.