Anchor: estimated demand and supply equations for agricultural commodities produced in the United States.
Entailed: Demand and supply equations exist for agriculture within the US. 
Contradiction: There is no way to analyze demand for crops within the US.
Contradiction: Two hockey teams are shaking hands.
Contradiction: A person sits at the end of a bridge.
Contradiction: A woman is  eating in Restaurant.
Contradiction: The peninsula and Sumatra that shared many common traits were split.