Anchor: A small town lies at the base of verdant mountains.
Entailed: A small town is at the bottom of some mountains.
Contradiction: A town is in the middle of a field.
Contradiction: The woman is carrying a large bag of groceries down the sidewalk.
Contradiction: Soccer players are playing outside.
Contradiction: The vote I made is of concern to anyone who asks about it.
Contradiction: The boy is playing at the park.