Anchor: The scarcity of flatlands suitable for cultivation made it possible for a small aristocratic elite to gain quick control of the food resources.
Entailed: Flatland scarcity allowed aristocrats to gain control of resources.
Contradiction: Flatlands have always been plentiful and shared happily by the elite and wealthy.
Contradiction: I never read the news on the computer. 
Contradiction: Three ladies are outside.
Contradiction: The boys are standing.
Contradiction: People are interacting