Anchor: Don't travel to the island at either of these times without a reservation.
Entailed: You need a reservation to go that island. 
Contradiction: You can go to the island anytime. 
Contradiction: Internal control only provides absolute assurance.
Contradiction: Someone is in the middle of the archway on a floor.
Contradiction: The sign posted says the road is a one way.
Contradiction: A woman is raising her leg.