Anchor: He looked up, said briskly, "Well, where are we? I wonder if we are not on a fool's errand after all."  
Entailed: He wasn't sure where we were and thought maybe this was all very foolish.
Contradiction: He knew exactly where we were.
Contradiction: The children are crying.
Contradiction: A boy poses with his baseball bat.
Contradiction: I really like driving when it is snowing.  
Contradiction: The man has a mustache