Sentence: Akron, Ohio with a total area of 161.54 sq km, has a population density of 1239.3 inhabitants per square kilometre.

Question: What structured data could we extract from this sentence?

A: Akron, Ohio, populationDensity, 1239.3 (inhabitants per square kilometre); Akron, Ohio, areaTotal, 161.54 (square kilometres)

Sentence: Afonso Pena International Airport is located in Sao Jose dos Pinhais. The runway 15/33 is 2215.0 in length and has an elevation of 911 meters above sea level.

Question: What structured data could we extract from this sentence?

A: Afonso Pena International Airport, runwayLength, 2215.0; Afonso Pena International Airport, elevationAboveTheSeaLevel, 911.0; Afonso Pena International Airport, location, Sao Jose dos Pinhais; Afonso Pena International Airport, runwayName, "15/33"

Sentence: The United States Air Force has fought in the Korean War.

Question: What structured data could we extract from this sentence?

A:
United States Air Force, battle, Korean War