Anchor: She was a mother and thirty-three years old, and it seemed to her that everyone, especially someone the baker's age--a man old enough to be her father--must have children who'd gone through this special time of cakes and birthday parties.
Entailed: The woman was a thirty-three year old mother.
Contradiction: The thirty-three year old woman had no children.
Contradiction: The lab was completely empty as the clock struck 1am.
Contradiction: They were going to arrive shortly. 
Contradiction: No types of changes occur and we need not update our risk assessments.
Contradiction: A crowd gathering in front of a huge gorilla.