Anchor: Tuppence had left the key in her door.
Entailed: The key was still in the door and Tuppence had left it there.
Contradiction: Tuppence had the key in her pocket.
Contradiction: You want us to see her.
Contradiction: You can only wear a white dinner jacket between those two. 
Contradiction: There is no wrestling match
Contradiction: Two people are on a raft.