Anchor: The first adaptation was a shift of the specification of study question from the principal investigator during the period of study performance to the persons who commissioned the study in advance of data collection.
Entailed: The specification of study question shifted from the principle investigator to the persons who commissioned the study.
Contradiction: The last adaptation was a shift of the specification of study question.
Contradiction: He knew that he was very unlucky to have even met her. 
Contradiction: If Rennie was going to fire him, Drew was not going to see him when he was sweaty and smelly.
Contradiction: GAO will try to get comments from the agencies that are affected. 
Contradiction: They're backpedaling a little.