Sentence: Written in English, A Wizard of Mars was Published in the United States, where English is spoken, as in Great Britain. The previous leader of the US was Barack Obama and Asian Americans are an ethnic group there.

What data can be extracted from this sentence?
United States, leader, Barack Obama; A Wizard of Mars, language, English language; English language, spokenIn, Great Britain; United States, ethnicGroup, Asian Americans; A Wizard of Mars, country, United States