Anchor: The legislative history provides assistance in analyzing the presence requirement.
Entailed: Legislative history gives help to analyze presence requirement. 
Contradiction: The legislative history was absolutely no help at all. 
Contradiction: The cat always slept in a different room from me.
Contradiction: Two people are talking by a truck.
Contradiction: Information about nicotine addiction and health hazards has always been taken seriously.
Contradiction: a dog playing frisbee