Anchor: you would never think of having to replace the clutch in a Mercedes
Entailed: Replacing a Mercedes clutch is something that would never come to mind.
Contradiction: Getting the clutch of a Mercedes replaced is usually a consideration.
Contradiction: A younger couple is standing in the street.
Contradiction: At the moment the subject is how tax incentives encourage individuals to put money away, but it is acknowledged that some tax rules have the opposite effect.
Contradiction: Two swimmers toss a ball to each other.
Contradiction: It is problematic because it allows us to live beyond our means.