Anchor: Yet as he chatted amiably with the partners, something wasn't quite right.
Entailed: Something wasn't quite right as he chatted with the partners. 
Contradiction: Everything was fine as he chatted with the partners. 
Contradiction: Three members of a military brass band play their horns while others look on.
Contradiction: A person wants to play.
Contradiction: GAO questioned the aspects of the life, universe, and everything.
Contradiction: Depression