Anchor: Participants also discussed the appropriateness of the chief executive officer (CEO) serving as chairman of the board of directors, which could present potential conflicts resulting from a single individual functioning in these dual roles.
Entailed: There are potential conflicts if someone serves as both CEO and chairman of the board.
Contradiction: Most CEOs have dual roles as a chairman of the board without any conflicting functions.
Contradiction: 3 people going grocery shopping
Contradiction: There is screening for alcoholism in ambulatory care settings.
Contradiction: They had come to terms with it and looked for no one to blame. 
Contradiction: A man and a woman are dressed for winter.