Anchor: Our research was conducted from March through October 1999 and culminated in the issuance of an exposure draft in March 2000.
Entailed: An exposure draft was issued in March 2000.
Contradiction: All the research was started in November 1999.
Contradiction: He can be asked to learn a new trick.  
Contradiction: I enjoy messing around, it's cheap.
Contradiction: I think Texas is the worst state to live in.
Contradiction: Sebastian Junger wrote The Perfect Storm.