Anchor: Physician advocacy plays an important role in influencing screening practices by increasing awareness of the problem and by generating support for screening and intervention services.
Entailed: Physician advocacy helps influence screening protocols. 
Contradiction: Physician advocacy has no impact on screening protocols. 
Contradiction: women walking at night
Contradiction: He does not like to talk about it.
Contradiction: The people are sleeping together alone.
Contradiction: A group of people are waiting for the subway train.