Anchor: System administrators are important because they generally perform day-to-day security functions, such as creating new system user accounts, issuing new passwords, and implementing new software.
Entailed: Day to day security functions are normally performed by system administrators.
Contradiction: System administrators have nothing to do with security functions.
Contradiction: The people are all sitting
Contradiction: Two men are in a house drinking something.
Contradiction: He went to sleep on the hammock.
Contradiction: The city holding a big event.