tripleset: United States ETHNIC_GROUP African Americans
tripleset: United States LEADER_NAME Barack Obama
tripleset: A Fortress of Grey Ice COUNTRY United States
target: A Fortress of Grey Ice is from the United States where Barack Obama is the leader and the African Americans are one of the ethnic groups.
references: A Fortress of Grey Ice is from the United States where Barack Obama is the leader and the African Americans are one of the ethnic groups. Barack Obama is both president of the US and African American, which is an ethnic group of the United States. A Fortress of Grey Ice originates from the US. In the United States, one of the ethnic groups is African American, Barack Obamais President and it is where A Fortress of Grey Ice originates.