Anchor: Valuing Eastern  A Field Test of the Contingent Valuation Method.
Entailed: The Eastern A Field Test of the contingent valuation method is a test.
Contradiction: The Eastern A field test is also called the Western B field test. 
Contradiction: The IRC have never used a computer for anything.
Contradiction: Orders were likely given to follow Danvers.
Contradiction: four firemen are buying groceries.
Contradiction: It would have been a happy result.