Anchor: People will download books from Web sites and either print them out on new, cool printers or read them on superlight wireless computers.
Entailed: People will download books from websites.
Contradiction: People do not download books from websites or print them out.
Contradiction: The boy is watching TV.
Contradiction: girl by rock
Contradiction: A man has fallen asleep in his chair.
Contradiction: Poirot's sudden departure had interested us all very much.