Sentence: The country of origin of the ALV X-1 is the United States which has the capital of Washington D.C. The inhabitants of the United States are called Americans but Asian Americans are one of the ethnic groups there.

What structured data could we extract from this sentence?
ALV X-1, countryOrigin, United States; United States, ethnicGroup, Asian Americans; United States, demonym, Americans; United States, capital, Washington, D.C.