Complex sentence: Shangchuan Island (上川岛, pinyin "Shàngchuāndǎo"; also written Schangschwan, Sancian, Sanchão, Chang-Chuang or St. John's Island) is an island on the southern coast of China, part of the Guangdong province, in the South China Sea.
Split into simpler sentences: Shangchuan Island (上川岛, pinyin "Shàngchuāndǎo"; also written Schangschwan, Sancian, Sanchão, Chang-Chuang or St. John's Island) is an island on the southern coast of China. It is part of the Guangdong province, in the South China Sea.