Anchor: Fenner's relaxed posture tensed into alert readiness.
Entailed: Fenner went from relaxed to alert readiness.
Contradiction: Fenner remained in a relaxed position. 
Contradiction: The Hippodrome was quite plain and uninteresting.
Contradiction: It was not a good time for this.
Contradiction: I do not have any children.
Contradiction: A man is giving a lecture to two men.