Anchor: Although these efforts were generally aimed at encouraging policy compliance, the senior security official at the retailing company emphasized the importance of improving users' understanding of risks.
Entailed: These efforts were generally aimed towards encouraging policy compliance.
Contradiction: There were no efforts to encourage any policy compliance.
Contradiction: A man is building a sand castle.
Contradiction: Six boys are standing near a fence.
Contradiction: I don't expect you to know who Mr. Brown is.
Contradiction: Climbing a mountain using ice axes is rather dumb.