/* Beer Styles from Michael Jackson's Guide to World's Beers */
digraph BeerStyles {
"Beer Styles" -> "Top-fermenting";
"Beer Styles" -> "Bottom-fermenting";

"Top-fermenting" -> "Wheat beers";
"Top-fermenting" -> "Sweet stout";

"Sweet stout" -> "Oatmeal stout";
"Oatmeal stout" -> "Dry stout";
"Dry stout" -> "Imperial stout";
"Top-fermenting" -> "Porter";
"Top-fermenting" -> "Ale";

"Ale" -> "Pale Mild";
"Pale Mild" -> "Dark Mild";
"Dark Mild" -> "Bitter";
"Dark Mild" -> "South English Brown Ale";
"South English Brown Ale" -> "North English Brown Ale";
"North English Brown Ale" -> "Irish Red Ale";
"Irish Red Ale" -> "Strong Scotch Ale";
"North English Brown Ale" -> "Old Ale";
"Old Ale" -> "Belgian Brown/Red";
"Old Ale" -> "Pale/Dark Barley Wine";
"Bitter" -> "Light Ale";
"Bitter" -> "Best Bitter";
"Best Bitter" -> "Strong Bitter";
"Strong Bitter" -> "Pale/Dark Barley Wine";
"Best Bitter" -> "Pale Ale";
"Pale Ale" -> "India Pale Ale";
"India Pale Ale" -> "Belgian Ales";
"Belgian Ales" -> "Altbier";
"Belgian Ales" -> "Saisons";
"Saisons" -> "Trappisten";
"Ale" -> "American Ale";
"American Ale" -> "Cream Ale";

"Wheat beers" -> "pure yeasts";
"Wheat beers" -> "lactic fermentation";
"Wheat beers" -> "spontaneous fermentation";
"pure yeasts" -> "Belgian Witbier/White/Blanche";
"Belgian Witbier/White/Blanche" -> "South German Weissbier/Weizen";
"South German Weissbier/Weizen" -> "Hefeweizen";
"Hefeweizen" -> "Dunkelweizen";
"Dunkelweizen" -> "Weizenbock";
"lactic fermentation" -> "Berliner Weisse";
"spontaneous fermentation" -> "Lambic";
"Lambic" -> "Gueuze";
"Gueuze" -> "Faro";
"Faro" -> "Kriek";
"Kriek" -> "Framboise";
"Framboise" -> "Other fruit beers";

"Bottom-fermenting" -> "Lager";
"Bottom-fermenting" -> "Vienna type";
"Bottom-fermenting" -> "Munich pale";
"Lager" -> "Pilsner";
"Pilsner" -> "Dortmunder/Export";
"Dortmunder/Export" -> "Strong Lagers";
"Strong Lagers" -> "American Malt Liquor";
"Vienna type" -> "Märzen/Ocktoberfest";
"Munich pale" -> "Pale bock";
"Pale bock" -> "Dark/pale double bock";
"Dark/pale double bock" -> "Dark bock";
"Munich pale" -> "Munich dark";
"Munich dark" -> "Rauchbier";
"Munich dark" -> "Dark bock";
}