Assertion: viagra | /r/HasProperty | marketed as viagra®
Facets:
value: for erectile dysfunction
type: PURPOSE
Source sentences:
text: Sildenafil is also marketed as VIAGRA®.
text: Sildenafil is also marketed as VIAGRA® for erectile dysfunction.
text: Sildenafil is also marketed as VIAGRA®.
text: Sildenafil is also marketed as VIAGRA® for erectile dysfunction.