Anchor: In 1997 the Royal Yacht Britannia, the vessel that carried the queen and her official representatives on 968 royal and diplomatic visits to venues around the world, was decommissioned.
Entailed: The Royal Yacht Britannia has carried both the queen and her representatives.
Contradiction: The Royal Yacht Britannia was used for transporting coal.
Contradiction: The Royal Yacht Britannia has never carried the queen or her official representatives.
Contradiction: I didn't have any pals in the hospital. 
Contradiction: This was said  significantly.
Contradiction: The upper air is safe for human beings to breathe.