Complex sentence: In Belgium, there are a number of different types of waffle, including the Brussels waffle, the Liège waffle and the stroopwafel, though what is known in North America as the "Belgian waffle" does not exist in Belgium.
Split into simpler sentences: In Belgium, there are a number of different types of waffle, including the Brussels waffle, the Liège waffle and the stroopwafel. What is known in North America as the "Belgian waffle" does not exist in Belgium.