Anchor: What's the melting point of this sky material?  He never did manage to make Sather Garm understand what a melting point was.
Entailed: He could not make a person understand what a melting point is.
Contradiction: Sather was able to understand melting points very easily.
Contradiction: Hollings is absolutely straightforward in all of his words and actions. 
Contradiction: There are at least three people.
Contradiction: A man is knitting a sweater.
Contradiction: The worker is signalling someone.