Anchor: The Postal Service has two basic subclasses for letters and  First Class (originally rapid, non-bulk, and sealed against inspection) and Standard A (originally deferrable, bulk, and not sealed against inspection).
Entailed: The postal service has two subclasses of letters.
Contradiction: The postal service has seven subclasses of letters.
Contradiction: Barr is a great guy.
Contradiction: A dog is in the water.
Contradiction: Nossa Senhora da Piedade wasn't founded until long after the island's discovery.
Contradiction: A job dealing with employee training might have as themes, decisions about training needs.