Anchor: (This is why Oprah's private life is examined more carefully than David Letterman's.)
Entailed: This is the reason Oprah has her life examined more carefully than does David Letterman.
Contradiction: This is not the reason Oprah has her life examined more carefully than does David Letterman.
Contradiction: two women have lunch
Contradiction: Anybody could tell you whether I voted for them or not.
Contradiction: A person is sleeping in their bed.
Contradiction: A brass band looks at their sheet music.