Anchor: This is more complex because the criterion of sufficient protection is much less certain
Entailed:  The criterion of sufficient protection is very uncertain
Contradiction: This is easy thanks to the certainty of the criterion of sufficient protection 
Contradiction: No comments were received in response to the IRFA.
Contradiction: I don't think I asked what you're taking in school.
Contradiction: A woman is building a guitar case.
Contradiction: Pitchers showing off