Anchor: What is the impact of home computing technology on postal demand?
Entailed: What is the impact on postal demand caused by home computing technology?
Contradiction: Since we all know what impact home computing technology on postal demand, so no need to ask.
Contradiction: Only network and minicomputer systems are included in control. 
Contradiction: There's only one person in the world who is too evil to be saved.
Contradiction: Jon had not been seen.
Contradiction: Rodrigues did not want to take the blame for any deaths that might occur.