Anchor: He's got a new Rolls-Royce car, said Tuppence with vicarious pride.
Entailed: Tuppence said that he has a new Rolls-Royce car. 
Contradiction: Tuppence was embarrassed to admit that he has an old rusty Yugo. 
Contradiction: A group of people sitting in the middle of a busy street.
Contradiction: A man is wearing a hat.
Contradiction: Subsection (a)(16) does not list any activities to be prohibited.
Contradiction: A person is skateboarding.