Anchor: Although his study of adolescents found reductions in risky behavior and alcohol-related harm, he was disappointed to find no effect on drinking.
Entailed: He studied adolescents and alcohol.
Contradiction: He studied adolescents and marjiuana.
Contradiction: The model is presently on display in a museum in Italy.
Contradiction: People walking and a woman walks and looks on her cellphone.
Contradiction: It felt like he had suddenly been dumped with a list of chores and responsibilities. 
Contradiction: Sounds more similar.