Anchor: From then until 1812, when the intrepid Swiss explorer John L. Burckhardt rediscovered Petra, it was almost totally forgotten.
Entailed: Petra was almost completely forgotten until 1812 when Swiss explorer John L. Burckhardt found it again.
Contradiction: Petra grew in name and popularity until 1812 when a Swiss explorer destroyed it.
Contradiction: Fourteen adults all share a single glass of water.
Contradiction: The girls are outside playing.
Contradiction: Energy and Resource Consultants, inc have not prepared anything.
Contradiction: Langdale Pikes has a lot of volcanic rock.