Anchor: But even those who don't should realize that Buchanan's method--forming his conclusions based on prejudice, then rustling up the support for them--invariably produces bad history.
Entailed: Buchanan's method produces less than stellar history due to his prejudice.
Contradiction: Buchanan's method is excellent and produces factual history.
Contradiction: A group of people loiter in the middle of the street.
Contradiction: A man has gray hair
Contradiction: Social scientists agree that teen drug abuse has been decreasing.
Contradiction: there are two people involved