Anchor: Compared to the prepayment examination of all invoices, implementing sampling procedures increases the risks of overpayments occurring and going undetected.
Entailed: Prepaying invoices lowers the risk of overpayments.
Contradiction: Prepaying invoices raises the risk of overpayments.
Contradiction: Lynyrd Skynyrd is the best band in the world and the lead singer is alive.
Contradiction: The youth can work in national parks or do clean up in neighborhoods.
Contradiction: I think it is very negative since it has nothing to do with someone's consciousness. 
Contradiction: A dog with an open mouth.