tripleset: ALV X-1 COUNTRY_ORIGIN United States
tripleset: United States ETHNIC_GROUP Native Americans in the United States
tripleset: United States CAPITAL Washington, D.C.
annotations.source: webnlg webnlg
annotations.text: The United States has an ethnic group called Native Americans, the capital is Washington D.C. and the ALV X-1 hails from the US. The ALV X-1 originated in the United States, a country whose capital is Washington DC and has Native Americans as an ethnic group.