Anchor: They rang again and again but there was no sign of life.
Entailed: They hit the bell over and over but there was no answer.  
Contradiction: They rang and someone answered immediately.  
Contradiction: Amodt does not have a single notable thing.
Contradiction: I don't like Colgate Total.
Contradiction: The musican slept on the chair because they were tired.
Contradiction: I've had fun.