Anchor: I would prefer to have my son alive and to be with him, but he did help open a lot of doors for me.
Entailed: My son did not open a lot of doors for me.
Contradiction: My son is still alive today.
Contradiction: These two sites have no linked underlying  issues.
Contradiction: A motorcycle cop has a phone sex number on his cruiser.
Contradiction: Only the lazy employees will need to improve. 
Contradiction: You are lying to me.