Anchor: She is the most powerful of all of us.
Entailed: She has more power than the rest of us.
Contradiction: She is powerless.
Contradiction: The people were trapped within the valley, because of the steep fells.
Contradiction: Picasso was a collector of the works of other famous painters. 
Contradiction: Poirot didn't know what to think.
Contradiction: He was sitting at the table with them.