Anchor: A man is blowing water out of a pipe.
Entailed: Someone is holding a pipe.
Contradiction: Nobody is holding a pipe.
Contradiction: The dog has a snake in it's mouth.
Contradiction: Poirot was asking a question about what could cover up the taste of strychnine.
Contradiction: You will have plenty of company.
Contradiction: There's a person putting an apron on.