Anchor: He expressed concern about how to reflect this complexity in the recommendations.
Entailed: He was concerned about how he should indicate the complicated recommendations. 
Contradiction: He was not concerned about how to express the complicated suggestions. 
Contradiction: I don't agree with aptitude tests and I think they are harmful.
Contradiction: a woman in blue sings
Contradiction: A hockey player makes a goal.
Contradiction: Many grown-ups are talking to each other.