Complex sentence: Mindoro is divided by two provinces Occidental Mindoro and Oriental Mindoro, Calapan is the largest city on the island with a total population of 133,893 as of 2015.
Split into simpler sentences: Mindoro is divided into two provinces Occidental Mindoro and Oriental Mindoro. Calapan City is the largest city on the island with a total population of 133,893 as of 2015.