Sentence: The United States and Great Britain both use the language of English. It is in the United States that A Fortress of Grey Ice originates. The country is home to the ethnic group of Native Americans and has Washington DC as its capital.

What data can be extracted from this sentence?
United States, language, English language; English language, spokenIn, Great Britain; United States, capital, Washington, D.C.; A Fortress of Grey Ice, country, United States; United States, ethnicGroup, Native Americans in the United States