[['United States', 'ETHNIC_GROUP', 'African Americans'], ['United States', 'LEADER_TITLE', 'President of the United States'], ['English language', 'SPOKEN_IN', 'Great Britain'], ['United States', 'LANGUAGE', 'English language'], ['A Wizard of Mars', 'COUNTRY', 'United States']]
A Wizard of Mars originates from the United States where English is spoken (as in Great Britain), and the leader is called the President. African Americans are one of the ethnic groups of the United States, where the capital city is Washington D.C.