Complex sentence: The woman is seen by the king who marries her, but the witch tries to kill her by throwing her into a precipice and force the king to slaughter the Breton cow, but the cows lead the king to their lost sister who is restored.
Split into simpler sentences: The woman is seen by the king who marries her, but the witch tries to kill her by throwing her into a precipice and force the king to slaughter the Breton cow. However, the cows lead the king to their lost sister, who is restored.