Anchor: do they do something to the lawn mower to to help it uh stay inside or they
Entailed: Is the lawn mower modified to support it to remain inside?
Contradiction: They don't do anything to the lawn mower because it is well made.
Contradiction: The VBA has no regional offices and only is located in Washington D.C.
Contradiction: Limestone reagent chemical reactions cause a corrosive environment.
Contradiction: The American flag replaced the French one in 1903. 
Contradiction: There are two women standing next to a table.