Assertion: viagra | /r/MadeOf | sildenafil
Facets:
Source sentences:
text: Viagra contains sildenafil, which is the same medicine found in another drug called REVATIO.
text: VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO.
text: VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO.
text: VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO.