Assertion: heart failure's heart | /r/Causes | fluid
Facets:
value: to back up in the lungs
type: TRANSITIVE-OBJECT
Source sentences:
text: A weak heart causes fluid to back up in the lungs.
text: A weak heart causes fluid to back up in the lungs.
text: A weak heart causes fluid to back up in the lungs.
text: A weak heart causes fluid to back up in the lungs.