Anchor: And of course they would find no strychnine! 
Entailed: They would definitely not find any strychnine.
Contradiction: Of course, they would find strychnine.
Contradiction: The man has his TV off.
Contradiction: I had an apartment that was located behind metro-lines.
Contradiction: There are many people having a picnic in a park.
Contradiction: Conrad spoke harshly.