input: Amarillo,_Texas | isPartOf | Randall_County,_Texas United_States | capital | Washington,_D.C. Amarillo,_Texas | country | United_States United_States | ethnicGroup | African_Americans
target: Washington DC is the capital of the United States, where one of the ethnic groups are the African Americans. The US is the location of Amarillo, which is part of Randall County in Texas.