Anchor: A boy is doing work in his bed on a boat.
Entailed: A person is doing work in his bed on a boat.
Contradiction: A girl is doing work in her bed on a boat.
Contradiction: The region uses no brick or wood in the construction of buildings. 
Contradiction: A skateboarder is performing a trick in the street.
Contradiction: The Republicans and the Democrats are both poised to make most of their proposals happen in reality.
Contradiction: I did not know they have no state tax in Texas.