Anchor: On inquiry she learnt that Tommy had not yet returned.
Entailed: After asking, she learned that Tommy had not come back yet. 
Contradiction: After asking, she learned that Tommy had come back yesterday. 
Contradiction: No award was given at the event.
Contradiction: He may have ruled over the entire island.
Contradiction: A woman is at the hospital visiting her friend who just had a tonsillectomy.
Contradiction: People singing outside.