Anchor: Prior to Thress' work, information of this kind was not available.
Entailed: There was information only after Thress' work.
Contradiction: There has always been information about this.
Contradiction: You know everything of course. 
Contradiction: She decided on a totally useless 300-piece dinner set.
Contradiction: A woman walks with emotionless expression.
Contradiction: We are going to build a house soon