A Death in the Afternoon and an Agua de Valencia both share what ingredient?
Death in the Afternoon (cocktail): Death in the Afternoon, also called the Hemingway or the Hemingway Champagne, is a cocktail made up of absinthe and Champagne invented by Ernest Hemingway. Agua de Valencia:  Spanish, Agua de Valencia) is a cocktail made from a base of cava or champagne and orange juice.
Champagne