Complex sentence: The IJsselmeer (IJssel lake) is a lake in the central Netherlands bordering the provinces of Flevoland, Noord Holland, Utrecht, Gelderland, Overijssel and Friesland.
Split into simpler sentences: The IJsselmeer (IJssel lake) is a lake in the central Netherlands, in which the province of Flevoland is located. It also borders the provinces of Noord Holland, Utrecht, Gelderland, Overijssel and Friesland.