Anchor: He is not clever, but it is hard to blind his eyes to facts… ." Mr. Carter shut the book.
Entailed: He isn't very smart, but not easily deceived.
Contradiction: He's brilliant, but naive.". Mr. Carter opened the book.
Contradiction: This was easy any way you slice it.  
Contradiction: We were just going to let them leave since they weren't going to hurt us.
Contradiction: The stunt does not work at all.
Contradiction: A man has been working in the machine all day