Anchor: If you want a model to determine how the orbits should be, we have the finest orrery ever built here in the camp.
Entailed: There is a very fine orrery in the camp.
Contradiction: The camp has an orrery, but it is of very poor quality.
Contradiction: The door stayed closed, and she had no idea what was behind it.
Contradiction: A clerk in a convenience store asks a customer
Contradiction: I think the Constitution outlaws representing yourself. 
Contradiction: He searched around and looked around the block.