Anchor: What do you want me to do? asked John, unable to help a faint smile. 
Entailed: John was unable to help a faint smile. 
Contradiction: John couldn't have smiled if he wanted to. 
Contradiction: A plain looking woman wandered through the crowd
Contradiction: Children are gathered around a table.
Contradiction: He remained calm.
Contradiction: Some have suggested that the most attractive customers are being charged around a penny per piece.