Assertion: viagra | /r/Causes | problem
Facets:
value: rarely
type: TEMPORAL
Source sentences:
text: It is not known if Viagra caused these problems.
text: Rarely, Viagra may cause this problem.
text: Can sildenafil cause problems?
text: However, there’s no evidence that Viagra caused these problems.
text: However, there’s no evidence that Viagra caused these problems.
text: It is not known if VIAGRA caused these problems.
text: It is not known if VIAGRA caused these problems.
text: It is not known if VIAGRA caused these problems.
text: Rarely, Viagra may cause this problem.