A Brandy Alexander is a brandy-based cocktail consisting of cognac, crème de cacao, and cream that became popular during the early 20th century. It is a variation of an earlier, gin-based cocktail called simply an Alexander. The cocktail is widely known for having been John Lennon's favorite drink. Using only the above description and what you know about the world, "A Brandy Alexander has two last names." is definitely correct, incorrect, or inconclusive? 