All 16 words, sorted alphabetically. Group them into four categories of four.
The four category names, easiest to hardest. No words revealed yet.
Theme name plus one word from each category.
Champagne (sparkling wine from France), China (porcelain/dishes), Cologne (perfume from Köln, Germany), and Limerick (the five-line poem form) are all common nouns or concepts named after places
Casablanca (1943 winner), Chicago (2003 winner), Fargo (1996 nominee), and Munich (2006 nominee) are all films named after cities that were nominated or won Best Picture at the Academy Awards
Cuba (Cuba Libre), Long Island (Long Island Iced Tea), Moscow (Moscow Mule), and Singapore (Singapore Sling) are all geographic locations embedded in famous cocktail names
Dominican Republic starts with DOMINICA, Guinea-Bissau starts with GUINEA, Indianapolis starts with INDIA, and Nigeria starts with NIGER — each place name begins with a different country's name