The United States is the country of the Bacon Explosion. John Roberts is the leader of the United States and the capital is Washington D.C. African Americans are one of the ethnic groups of the country.
[['Bacon Explosion', 'COUNTRY', 'United States'], ['United States', 'LEADER_NAME', 'John Roberts'], ['United States', 'ETHNIC_GROUP', 'African Americans'], ['United States', 'CAPITAL', 'Washington, D.C.']]