Anchor: She apparently couldn't recall what had happened to the others.
Entailed: She couldn't recall what had happened to the others.
Contradiction: She could remember exactly what happened to the other people.
Contradiction: She could remember well what happened to the other people. 
Contradiction: She could recall what had happened to the others.
Contradiction: A dog is chasing a cat.
Contradiction: There is a lot of traffic going by.