Complex sentence: Paris Métro Line 12 (opened as Line A in 1910) is one of sixteen metro lines in Paris, France; linking Issy-les-Moulineaux in southern Paris to the Porte de la Chapelle in the north.
Split into simpler sentences: Paris Métro Line 12 (opened as Line A in 1910) is one of sixteen metro lines in Paris, France. It runs from Issy-les-Moulineaux in southern Paris to Porte de la Chapelle in the north.