Anchor: Self-report may be enhanced when specific alcohol questions are asked.
Entailed: Self-report works when they ask about alcohol specifically.
Contradiction: Self-report works when they just speak generally and don't ask questions.
Contradiction: There are many people watching a tennis match.
Contradiction: I am aware the mailing list has been sold. 
Contradiction: The techniques remained the same across the board.
Contradiction: His portraits, which depict saints, hermits, and martyrs, demonstrate his impeccable skills.