sentences:  Some believe it is the only bona fide classic cocktail that is supposed to use harder to find blanc vermouth (Chambéry vermouth) and is frequently mismade with dry vermouth.While variations are made using other orange liqueurs than curaçao, the drink is traditionally meant to be red in color, so blue curaçao should not be used.The red comes from red curaçao, or when paler colors are used, from the grenadine.