tripleset: United States LEADER_TITLE President of the United States
tripleset: A Fortress of Grey Ice COUNTRY United States
tripleset: United States ETHNIC_GROUP Native Americans in the United States
annotations.source: webnlg webnlg
annotations.text: The President is the leader of the United States, which is where A Fortress of Grey Ice is from. Additionally, Native Americans are an ethnic Group in the U.S. A Fortress of Grey Ice is from the United States where the leader is known as the President and the Native Americans are an ethnic group.