Assertion: viagra | /r/CapableOf | improve blood flow
Facets:
value: in people with pulmonary arterial hypertension
type: OTHER
value: in men
type: OTHER
value: to their penis
type: TRANSITIVE-OBJECT
Source sentences:
text: In men, Viagra improves blood flow to their penis by blocking the action of a chemical called PDE5.
text: Sildenafil is an oral medication that may be prescribed to improve blood flow in people with pulmonary arterial hypertension, a type of high blood pressure in the lungs.