Complex sentence: The manufactuer claims it is the only luxury potato vodka (usually considered an inferior category of vodka) in the world, it is named after the famous Polish Romantic composer Frédéric Chopin.
Split into simpler sentences: The manufactuer claims it is the only luxury potato vodka (usually considered an inferior category of vodka) in the world. It is named after the famous Polish Romantic composer Frédéric Chopin.