Anchor: Man stands at the seat of a helicopter.
Entailed: A man is standing.
Contradiction: A man is sitting in an airplane.
Contradiction: A person walks in the rain in spring.
Contradiction: Further efforts revealed that it was not especially hard to weld together parts of the sky. 
Contradiction: The second century gate was entirely destroyed by looters.
Contradiction: The sword had jewels in its twisted hand-guard.