Anchor: A father and son explore a rocky shore, as father teaches son basic snorkel techniques.
Entailed: PEOPLPE WERE ON GRASS
Contradiction: the people were on concrete
Contradiction: He looked as though he expected silence in return. 
Contradiction: Victor's Bar has log fires and serves fresh grilled trout from the hatchery.
Contradiction: Paradise can be seen in the Louvre in Rome.
Contradiction: He killed one who was about to kill a small, frightened child.