Anchor: This was-and remains-an enormous challenge.
Entailed: This is a very significant difficulty that has not be corrected.
Contradiction: This used to be a challenge but now it is very easy to accomplish.
Contradiction: Women are playing dice.
Contradiction: The distillery is old and features facility tours.
Contradiction: A family sits at the dinning room table eating dinner.
Contradiction: I had seen Lawrence differently.