Anchor: I merely realized that it was possible, from your story, for Monsieur Lawrence to go to the poison cupboard. 
Entailed: I noticed that Monsieur Lawrence could have gone to the poison cupboard.
Contradiction: There is no way Monsieur Lawrence could have gone to the poison cupboard.
Contradiction: She walked on a tightrope.
Contradiction: A dog is barking
Contradiction: The revolutionaries didn't succeed to steal the religious symbols.
Contradiction: The deputy position was part of the Administration's proposal.