[['United States', 'LEADER_TITLE', 'President of the United States'], ['United States', 'LEADER_NAME', 'Barack Obama'], ['United States', 'CAPITAL', 'Washington, D.C.'], ['1634: The Ram Rebellion', 'COUNTRY', 'United States'], ['United States', 'ETHNIC_GROUP', 'Asian Americans']]
Barack Obama (title: President) is the leader of the United States, where the capital is Washington DC. The book 1634 The Ram Rebellion comes from the US, where there is an ethnic group called Asian Americans.