Anchor: We must break in the door. 
Entailed: We need to break the door.
Contradiction: The door needn't be broken.
Contradiction: Dogs are sitting beneath tables in a cafe, while their owners drink tea.
Contradiction: They are slippers made of terry cloth.
Contradiction: Mr. Gray would not answer any questions.
Contradiction: The farming villages are sleepy, the skyscraper towns exist in the middle of nowhere.