Anchor: There, said Tuppence, with great satisfaction, "this ought to do them.
Entailed: There, said Tuppence, with pleasure, "this should get them."
Contradiction: There, said Tuppence, doubtfully, "I am not certain they will fall for this.'
Contradiction: You should always wear your seatbelt. 
Contradiction: Someone has blue hair.
Contradiction: The boy was at school.
Contradiction: Tennis is gaining popularity but is still less done than other countries in Europe.