Anchor: An older woman wearing a brown shirt gives a presentation.
Entailed: A woman gives a presentation.
Contradiction: A man sings.
Contradiction: Two guys are sleeping.
Contradiction: He asked Mr Carter not to open the envelope.
Contradiction: Dune was a terrible book, I was hoping the roof would collapse so I wouldn't have to continue reading it. 
Contradiction: A man drives a red race car.