tripleset: United States ETHNIC_GROUP African Americans
tripleset: A Wizard of Mars COUNTRY United States
annotations.source: webnlg webnlg webnlg
annotations.text: A Wizard of Mars originates from the United States where the African Americans are an ethnic group. ' A Wizard of Mars' was Published in the United States, a country where one of the ethnic groups is African Americans. A Wizard of Mars originates from the United States, which counts African Americans among its ethnic groups.