Anchor: Oh, no, monsieur, he has but taken the train to Tadminster. 
Entailed: There are trains that run to Tadminster.
Contradiction: He is traveling by horse to Tadminster.
Contradiction: The Taliban advanced independently without any outside support.
Contradiction: Some people are walking.
Contradiction: My house is surrounded by the desert and there's no trees in sight.
Contradiction: They wanted to discuss things that happened at different points in time.