Sentence: American Civil War, Siege of Petersburg involved U.S. born Alfred Moore Scales. The American Civil War was commanded by Jefferson Davis. An ethnic group of the United States includes Native Americans.

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

A: American Civil War, commander, Jefferson Davis; Alfred Moore Scales, country, United States; United States, ethnicGroup, Native Americans in the United States; Alfred Moore Scales, battle, Siege of Petersburg; Siege of Petersburg, isPartOfMilitaryConflict, American Civil War

Sentence: The total area of Antioch, California is 75.324 square km.

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

A: Antioch, California, areaTotal, 75.324 (square kilometres)

Sentence: Alberto Teisaire was in office while Juan Peron was President. Meanwhile, Juan Peron belonged to the Labour Party in Argentina and was in office while Hortensio Quijano was vice president.

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

A:
Juan Peron, inOfficeWhileVicePresident, Hortensio Quijano; Juan Peron, party, Labour Party (Argentina); Alberto Teisaire, inOfficeWhilePresident, Juan Peron