Anchor: The bough creaked and swayed in a nasty fashion, and it didn't do to think of the drop below, but at last I got safely to where I wanted to be.
Entailed: It would have been no good to me to ponder how far I could fall.  
Contradiction: Thinking about how far I could fall would have been helpful.  
Contradiction: He had no interest in Washington.
Contradiction: A small girl is near a building, holding her hand up to her chin.
Contradiction: A man rides a bike.
Contradiction: There is a man outdoors.