Sentence: A Fortress of Grey Ice is a book from the United States. The country speaks predominantly English (like Great Britain) and its previous leader was Barack Obama. The US also has many Asian Americans.

What structured data could we extract from this sentence?
United States, ethnicGroup, Asian Americans; United States, language, English language; United States, leader, Barack Obama; English language, spokenIn, Great Britain; A Fortress of Grey Ice, country, United States