Anchor: King visited Memphis a week before his assassination for a march in support of striking sanitation workers there.
Entailed: King was assassinated after his visit to Memphis.
Contradiction: King was assassinated before his visit to Memphis.
Contradiction: They couldn't of taken a sample and they knew that. 
Contradiction: people kick a red ball
Contradiction: Twenty dollars spilled out from the bottom.
Contradiction: The dog is gray