Sentence: ALV X-1 originated in the United States, where the people are called Americans and the capital is Washington, D.C. The national anthem of the United States is the Star Spangled Banner and African Americans are among the ethnic groups.

What data can be extracted from this sentence?
ALV X-1, countryOrigin, United States; United States, ethnicGroup, African Americans; United States, demonym, Americans; United States, capital, Washington, D.C.; United States, anthem, The Star-Spangled Banner