Anchor: For example, I've heard many agents complain of having to revoke the parole of guys who failed a drug test but who were not, in the agent's best judgment, doing anything more than getting high.
Entailed: Drug test can come out positive for people who get high.
Contradiction: Agents have never dealt with people who failed a drug test.
Contradiction: We knew  there would be a solution. 
Contradiction: From 1984 to 1988 she was on the board of the Nationwide Employee Benefits Organization.
Contradiction: The professional surfer is on vacation giving skiing a try.
Contradiction: The people are wearing black.