Anchor: Presumably, therefore, he has some wits. 
Entailed: It must be considered, then, that he has some wits. 
Contradiction: He is not a bright bulb. 
Contradiction: It is a great example.
Contradiction: The guy by the window is looking at a book and holding two pens.
Contradiction: Of course, I saw her, responded Mr. Hersheimmer.
Contradiction: There are a couple of pets outside.