A Wizard of Wars originates from the United States where Barack Obama is the leader and African Americans are an ethnic Group. The book is written in English which is a language spoken in Great Britain.
[['United States', 'ETHNIC_GROUP', 'African Americans'], ['United States', 'LEADER_NAME', 'Barack Obama'], ['A Wizard of Mars', 'LANGUAGE', 'English language'], ['English language', 'SPOKEN_IN', 'Great Britain'], ['A Wizard of Mars', 'COUNTRY', 'United States']]