Anchor: He believed that the screen can have an interventive effect, so he wanted research on whether patients fare as well with a screen as they do with brief advice or more sophisticated techniques.
Entailed: He wanted a look into the effectiveness of a screen.
Contradiction: He was sure that the screen could not function as an intervention.
Contradiction: The dog is sleeping on the couch.
Contradiction: Since I was a child.
Contradiction: A woman is getting a shave.
Contradiction: The crowd is buying fruit at a road side stand.