Anchor: Three violinists, one female, one male, one obscured, and one male cellist sitting in playing positions and wearing black.
Entailed: There are four musicians.
Contradiction: The woman plays her harmonica on the porch.
Contradiction: They are happy with unification and do not complain.  
Contradiction: Economic policy divided the opponents of the two-party system.
Contradiction: Nah, there won't be danger.
Contradiction: The woman is older than the child.