Anchor: At the end of the Ice Age (some 13,000 years ago), the glaciers melted, leaving a long ridge of sediment sloping gradually from the top of the volcanic hills.
Entailed: The Ice Age ended 13,000 years ago.
Contradiction: The Ice Age ended in 1994.
Contradiction: Children are playing on the jungle gym at the park.
Contradiction: A black dog is in a carpeted room.
Contradiction: The boy is at a lake.
Contradiction: small clubs and churches will give away small amounts of money