Complex sentence: The External Affairs Secretary Fiona Hyslop of the Scottish Government stated that the people of Catalonia "must have the ability to determine their own future" and she called for a "process of dialogue" to resolve the crisis.
Split into simpler sentences: The External Affairs Secretary Fiona Hyslop of the Scottish Government stated that the people of Catalonia "must have the ability to determine their own future". And she called for a "process of dialogue" to resolve the crisis.