Anchor: There are a limited number of deep-sea boats for charter; they normally accommodate up to four people.
Entailed: Up to four people can be accommodated, but there are a limited number of deep-sea charter boats available.
Contradiction: A large number of charter boats are available that can seat up to six people.
Contradiction: The man ate his meal at a square table.
Contradiction: Three people are enjoying the sun at the beach.
Contradiction: A man is sad because of a loss.
Contradiction: Some people are wearing navy.