Anchor: Maintainability The ease with which maintenance of a functional unit can be performed in accordance with prescribed requirements.
Entailed: How difficult it is to keep a unit maintained.
Contradiction: It is very hard to maintain functional units since there are no guidelines.
Contradiction: I hate reading Krugman.
Contradiction: Two wrestlers are wrestling on a mat.
Contradiction: Don't let him believe anything. 
Contradiction: a man wearing black and blue colour dress is kneeling in the road