Anchor: High class group of business people including older men have drinks in park.
Entailed: High class group of people including older men have drinks in park.
Contradiction: Low class group of business people including older men have drinks in park.
Contradiction: I have to tell her exactly what to do.
Contradiction: If I hit him, he would kill me.
Contradiction: I do not want to know if it is rude to shoot her parents.  
Contradiction: Warlocks went under a roof.