The Working Group’s focus, therefore, will be on determining what should be done in response to that evidence and not generating significant additional evidence themselves.
Bydd y Gweithgor, felly, yn canolbwyntio ar benderfynu beth y dylid ei wneud wrth ymateb i'r dystiolaeth honno a pheidio â chreu tystiolaeth ychwanegol sylweddol ei hun.