According to the text within the ALSACE section, What is the major differentiating feature between wines of Alsace and wines of Germany?
1) Alsace wines are almost all entirely dry, while most Germany wines are primarily sweet
2) Alsace and Germany both use different bottle shapes and colors
3) Alsatian wines are almost entirely organic and naturally fermented
4) At different points in history, Germany was actually part of Alsace
5) Alsace and Germany grow very different white grape varieties