Anchor: Of course, I knew there was no reason why Whittington should be in that room rather than in any other less reason, in fact, for the betting would be on his being in one of the reception-rooms downstairs.
Entailed: Whittington had no reason to be in that room at all.  
Contradiction: Whittington had plenty of reasons to be in that room.  
Contradiction: The thatch-roofed villas are haunted and built around a scary setting.
Contradiction: a person and their umbrella
Contradiction: These people aren't involved in foreign policy.
Contradiction: A few people in coats and wigs are outside and propped against a wall.