Anchor: A golden retriever catches a tennis ball in the snow.
Entailed: A dog is playing outside.
Contradiction: A dog is taking a nap.
Contradiction: It was announced that since the issues concerning security and safety are impossible to measure, the departments were granted an unlimited budget. 
Contradiction: A cat sits on the steps.
Contradiction: I know a man that had his son circumcised right away.
Contradiction: I feel unwell.