input question: Sentence: The American Journal of Mathematics, abbreviated to Am. J. Math., was first published in 1878.

Structured data: American Journal of Mathematics, firstPublicationYear, 1878; American Journal of Mathematics, abbreviation, "Am. J. Math."

Sentence: Ximo Puig is a leader in the Valencian Community where Arros negre comes from. It is a traditional dish from Spain, where the currency is the euro and the leader is Felipe VI of Spain. What data can be extracted from this sentence?
A: Arros negre, region, Valencian Community; Valencian Community, leader, Ximo Puig; Spain, currency, Euro; Arros negre, country, Spain; Spain, leader, Felipe VI of Spain

Sentence: The United States covers a total area of 9833516.63 (square kilometres).

What data can be extracted from this sentence?

A: United States, areaTotal, 9833516.63 (square kilometres)

Sentence: Alfredo Zitarrosa was born in Montevideo and died in Uruguay. Tabare Vazquez leads Uruguay.

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

A: Uruguay, leader, Tabare Vazquez; Alfredo Zitarrosa, birthPlace, Montevideo; Alfredo Zitarrosa, deathPlace, Uruguay

input question: Sentence: Ashgabat International Airport is operated by Turkmenistan Airlines, the headquarters of which are in Ashgabat, in Turkmenistan. The hub airport for Turkmenistan Airlines is Turkmenabat Airport.

Structured data: Ashgabat International Airport, operatingOrganisation, Turkmenistan Airlines; Turkmenistan Airlines, headquarter, Turkmenistan; Turkmenistan Airlines, hubAirport, Turkmenabat Airport; Turkmenistan Airlines, headquarter, Ashgabat

input question: Sentence: AmeriGas is an energy industry company founded on 01-01-1959 where it operates in the United States, a country with White Americans as one of its ethnic groups.

Structured data:
AmeriGas, industry, Energy industry; AmeriGas, foundingDate, 1959-01-01; AmeriGas, country, United States; United States, ethnicGroup, White American