Anchor: Eventually you get home, carrying no bags, wearing some clothes you can add to your own collection as souvenirs of your most recent stay--ready, of course, to offer them to your next houseguests in exchange for theirs.
Entailed: If you hang on to the clothes you exchanged on your visit, you can later swap them with your own guests.
Contradiction: You'll get home, buried under luggage, but naked as the day God made you.
Contradiction: Stross does not write books.
Contradiction: Instead she goes for the secular.
Contradiction: The dogs are skiing through the snow,.
Contradiction: The man is in contact with rope and wire