Anchor: In such situations, the persistence of trusted leaders in encouraging effective member participation was essential.
Entailed: The presence of trusted leaders who were encouraging was vital.
Contradiction: The encouraging leaders were not trusted by anyone.
Contradiction: Case studies performed by different researches using different techniques cannot be compared or combined to reach useful conclusions. 
Contradiction: A dog is outside.
Contradiction: I am referring to the team from Portland.
Contradiction: A girl is running in grass while wearing a pink dress