Input (grade 13): The Greeks variously claimed that they were the daughters of Zeus and the Titaness Themis (the "Institutor") or of primordial beings like Nyx, the Night, Chaos or Ananke, Necessity.
Output (grade 7): Some said they were the daughters of Zeus and the Titaness Themis, or of primordial beings like Nyx, Chaos or Ananke.