Anchor: Founded to the east of the river, it was protected from the yearly Nile flood and surrounded by a high wall to guard against invaders.
Entailed: It is protected by a yearly flood and a high guarded wall.
Contradiction: The yearly Nile flood destroyed it rather quickly.
Contradiction: It is always left unprotected and there is nothing to help it. 
Contradiction: The US has never taken anything from Mexico.
Contradiction: A child splashes water.
Contradiction: A woman is naked, twirling a baton