Anchor: And diamonds and pearls rolling about in the gutter for anyone to pick up!" Tommy heard a chair shifted.
Entailed: Precious gems like diamonds and pearls were in the gutter.  
Contradiction: The diamonds and pearls were well protected in a place where no one could pick them up.  
Contradiction: A man is washing dishes at the kitchen sink.
Contradiction: I am not sure; they are steadily declining.
Contradiction: "Are you keeping something secret?"
Contradiction: Scottish author wrote multiple books including Rob Roy.