Anchor: Had he been right in his fear that Johnny had not been unconscious back in Tubacca, that he had caught Anse's greeting?
Entailed: Had he been correct to fear that Johnny had not been knocked out in Tubacca, that he had heard Anse's greeting?
Contradiction: He was not afraid of anything, least of all Johnny. 
Contradiction: A bear is hibernating
Contradiction: Andrea Doria lived during the 16th century.
Contradiction: Nicholas Lemann does not write for the Atlantic Monthly or Slate.
Contradiction: The ice breaks away in the winter when merchants fish.