input question: Sentence: Arros negre is from the Catalonia region and its leaders are the Parliament of Catalonia.

Structured data: Arros negre, region, Catalonia; Catalonia, leader, Parliament of Catalonia

Sentence: Rolando Maran plays for Varese Calcio S.S.D. What data can be extracted from this sentence?
A: Rolando Maran, club, Varese Calcio S.S.D.

Sentence: Spanish is the language of Argentina, where Alberto Teisaire was from. Alberto Teisaire died in Buenos Aires, the leader of which, is Gabriela Michetti.

What data can be extracted from this sentence?

A: Alberto Teisaire, deathPlace, Buenos Aires; Alberto Teisaire, nationality, Argentina; Buenos Aires, leader, Gabriela Michetti; Argentina, language, Spanish language

Sentence: With a population density of 1296.65 inhabitants per sq km, Austin (Texas) has an area of 703.95 square kilometres, and a land area measures 686.0 square kilometers.

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

A: Austin, Texas, populationDensity, 1296.65 (inhabitants per square kilometre); Austin, Texas, areaOfLand, 686.0 (square kilometres); Austin, Texas, areaTotal, 703.95 (square kilometres)

input question: Sentence: Alberto Teisaire died in Buenos Aires which is governed by the Buenos Aires City Legislature. Argentina, is where they speak Spanish, and is led by Gabriela Michetti.

Structured data: Alberto Teisaire, deathPlace, Buenos Aires; Buenos Aires, governingBody, Buenos Aires City Legislature; Alberto Teisaire, nationality, Argentina; Argentina, leader, Gabriela Michetti; Argentina, language, Spanish language

input question: Sentence: The editor of AIP Advances is A.T. Charlie Johnson who lives in the U.S. and went to Harvard University.

Structured data:
AIP Advances, editor, A.T. Charlie Johnson; A.T. Charlie Johnson, almaMater, Harvard University; A.T. Charlie Johnson, residence, United States