Anchor: Scientists say they have found the source of HIV . They traced HIV-1, the virus that has caused most of the AIDS epidemic, to a related virus carried by an African chimpanzee subspecies.
Entailed: Scientists say they have found the source of HIV
Contradiction: Scientists say they have yet to find the source of HIV
Contradiction: No one in the town would care about you.
Contradiction: A dog is by the river.
Contradiction: The is one woman.
Contradiction: A man in a trench coat walks with an open umbrella over his head.