Original sentence: It is about 145 kilometres (90 mi) south of Cuba, and 190 kilometres (120 mi) west of the island of Hispaniola, on which Haiti and the Dominican Republic are situated.Jamaica is an island nation of the Greater Antilles, 234 kilometres (146 mi) in length and as much as 80 kilometres (50 mi) in width situated in the Caribbean Sea
Edited sentence: Jamaica is a sovereign island nation located on the Island of Jamaica of the Greater Antilles archipelago in the Caribbean Sea.Jamaica is about 145 kilometres (90 mi) south of Cuba, and 190 kilometres (120 mi) west of the island of Hispaniola, on which Haiti and the Dominican Republic are situated.The island is 234 kilometres (146 mi) in length and as much as 80 kilometres (50 mi) in width