Anchor: It is not the key, but it will open it at a pinch." He slid back the roll top, and ran a rapid eye over the neatly filed papers. 
Entailed: He scanned the papers that were organized very neatly.
Contradiction: That is the key, I will not look at the papers at all.
Contradiction: It is a thoroughly repulsive, poor-quality specialty of the region. 
Contradiction: There is mold on the walls of a damp location.
Contradiction: The men both have hats on.
Contradiction: The bikes are on the street