phrase1: undefined point
phrase2: ambiguous place
sentence1: The Aqrabi inhabited the coast-line from Bir Ahmad to Ras Amran; inland their territory extended to an undefined point between Bir Ahmed and Wahat.
sentence2: The Aqrabi inhabited the coast-line from Bir Ahmad to Ras Amran; inland their territory extended to an ambiguous place between Bir Ahmed and Wahat.