Assertion: viagra | /r/CapableOf | work on the pde5 enzyme
Facets:
value: to relax the blood vessels
type: PURPOSE
value: in the lungs
type: LOCATION
Source sentences:
text: Sildenafil works on the PDE5 enzyme in the lungs to relax the blood vessels.
text: Sildenafil works on the PDE5 enzyme in the lungs to relax the blood vessels.
text: Sildenafil works on the PDE5 enzyme in the lungs to relax the blood vessels.