Anchor: Since brief interventions only lead to modest changes in alcohol intake, perhaps studies should focus on re-injury or health care use as the primary outcome.
Entailed: Brief interventions only make modest changes in alcohol intake.
Contradiction: Brief interventions can make huge differences in intake.
Contradiction: I don't want to talk to you, Jay. 
Contradiction: I really liked the color you painted the sky, everyone likes that blue.
Contradiction: Workers are totally protected.
Contradiction: She's moving back and forth on top of you.