Assertion: viagra | /r/HasProperty | approved for use
Facets:
value: in males
type: OTHER
value: in adult males with ed
type: OTHER
Source sentences:
text: Viagra is approved for use in males ages 18 years and older.
text: Viagra is approved for this use in males ages 18 years and older.
text: Viagra is only approved for use in adult males with ED.