Assertion: oral contraceptive | /r/CapableOf | prevent pregnancy
Facets:
Source sentences:
text: Oral contraceptives are medicines taken by mouth to help prevent pregnancy .
text: The main way that oral contraceptives prevent pregnancy is by keeping an egg from ripening fully.
text: Oral contraceptives are an effective way to prevent pregnancy.
text: Oral contraceptives or “birth-control pills” or “the pill” are used to prevent pregnancy and are more effective than other nonsurgical methods of birth control.