Assertion: viagra | /r/HasProperty | taken 30 minutes
Facets:
value: generally
type: DEGREE
Source sentences:
text: In most cases, it should be taken about an hour before sexual activity, but it can be taken 30 minutes to 4 hours beforehand.
text: Viagra is generally taken 30 minutes to 1 hour prior to engaging in sexual activity and should only be taken once every 24 hours.