Anchor: This family is walking their dog.
Entailed: The dog belongs to the family
Contradiction: This dog does not belong to the family
Contradiction: Those noises they heard had been important from when they first heard them.
Contradiction: Sometimes it might take me 2-3 hours of shoveling snow to get out of my driveway to make it to work. 
Contradiction: She was a lovely and quite plain housewife, despite being immortal.
Contradiction: There is a couple.