English is the language both of Great Britain and the United States, where Barack Obama is the leader. Alcatraz Versus the Evil Librarians originates from The US where you can find the ethnic group of African Americans.
[['English language', 'SPOKEN_IN', 'Great Britain'], ['United States', 'LANGUAGE', 'English language'], ['United States', 'LEADER_NAME', 'Barack Obama'], ['Alcatraz Versus the Evil Librarians', 'COUNTRY', 'United States'], ['United States', 'ETHNIC_GROUP', 'African Americans']]