Anchor: Armies of North African nomads, intent on disseminating Islam, invaded the peninsula in a.d. 711.
Entailed: North African nomads invade.
Contradiction: North African nomads fled.
Contradiction: Cost differentials are not important when considering inefficient entry.
Contradiction: A child is playing in the sand.
Contradiction: Case studies used as reports is not done.
Contradiction: Ashely Raines, from the White House, has had an encounter with Starr's investigators.