Anchor: A man is going down a river in a kayak.
Entailed: A person is kayaking down the river
Contradiction: A woman is going down a river in a kayak
Contradiction: The man is asleep on a sandy beach.
Contradiction: That would cost a lot.
Contradiction: It was a terrible night I am glad I came in.
Contradiction: After becoming the principal burgh, the town thrived.