input question: Sentence: Led by President Barack Obama, the United States has one ethnic group called African Americans and is the location of 250 Delaware Avenue.

Structured data: United States, ethnicGroup, African Americans; United States, leaderTitle, President of the United States; 250 Delaware Avenue, location, United States; United States, leader, Barack Obama

input question: Sentence: The comic character, Balder's alternative name, is Balder Odinson.

Structured data: Balder (comicsCharacter), alternativeName, "Balder Odinson"

input question: Sentence: Amarillo, Texas is part of Randall County, Texas, in the United States.

Structured data: Amarillo, Texas, isPartOf, Randall County, Texas; Amarillo, Texas, country, United States

input question: Sentence: Serving Andrews and located in Texas, Andrews County Airport is 973.0 above sea level. It has a runway length of 8.0 and 2/20 is the name of the runway.

Structured data:
Andrews County Airport, location, Texas; Andrews County Airport, runwayLength, 8.0; Andrews County Airport, cityServed, Andrews, Texas; Andrews County Airport, elevationAboveTheSeaLevel, 973.0; Andrews County Airport, runwayName, "2/20"