Anchor: Reliability does not mean that computer-processed data are error-free.
Entailed: Just because it reliable, that doesnt mean that computer processed data is perfect. 
Contradiction: Computer processed data is never wrong. 
Contradiction: Good night. 
Contradiction: A man plays the piano.
Contradiction: The adults are aliens from Pluto.
Contradiction: He had a considerable devotion to upholding the law.