Assertion: viagra | /r/HasProperty | a prescription medicine
Facets:
Source sentences:
text: Viagra is a prescription medicine used to treat erectile dysfunction (ED).
text: Viagra is a prescription only medicine (S4).
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.
text: Viagra (sildenafil) and Levitra (vardenafil) are prescription medications used to treat erectile dysfunction and pulmonary arterial hypertension.
text: Viagra is a prescription medication that can have serious side effects.
text: VIAGRA is a prescription medicine used to treat erectile dysfunction (ED).
text: VIAGRA is a prescription medicine used to treat erectile dysfunction (ED).
text: VIAGRA is a prescription medicine used to treat erectile dysfunction (ED).