Anchor: This is the best evidence yet of the truth of your story.
Entailed: This is the most valid corroboration of your story so far.
Contradiction: This does not qualify as evidence of the truth of your story.
Contradiction: Grey cat sleeping in a window.
Contradiction: This was the most expensive and the most sexually-explicit TV show ever. 
Contradiction: A man is sitting on a stage playing water glasses.
Contradiction: Two greyhounds are running on a track.