Anchor: She tried to sit up then fell back with a groan, her hand to her side.
Entailed: She fell back after she tried to sit up. 
Contradiction: She was paralyzed and couldn't move at all. 
Contradiction: I don't know anything about history.
Contradiction: Collegues talking at office get together.
Contradiction: Activity analysis is accomplished by performing meta analysis of other reviews.
Contradiction: Customer in beauty salon is having her hair done