Anchor: They think that the past is now over.
Entailed: What happened in the past is over, they think.
Contradiction: They know the past will always haunt them.
Contradiction: They think that the past is happening right now.
Contradiction: They think that the past will never be over.
Contradiction: You won't hear about it anymore, will you?
Contradiction: IA and IB are reports, Case Studies