Anchor: Fool that I was not to have thought of this possibility before, and what a relief for us all. 
Entailed: I was a fool for nothing thinking of this possibility earlier.
Contradiction: That possibility was my first thought.
Contradiction: lion chases two birds
Contradiction: The study of facial expressions was deemed useless in the 1960's.
Contradiction: Mary Cavendish stared out the window.
Contradiction: A man is outside climbing