Sentence: ALV X-1 originated in the United States where the anthem is the Star Spangled Banner and African Americans are among the ethnic groups.

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

A: ALV X-1, countryOrigin, United States; United States, ethnicGroup, African Americans; United States, anthem, The Star-Spangled Banner

Sentence: Addis Ababa City Hall has a floor area of 140000.0 square metres.

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

A: Addis Ababa City Hall, floorArea, 140000.0 (square metres)

Sentence: Arem arem is from Javanese cuisine and is commonly served in Indonesia. The country's leader is Jusuf Kalla and the spoken language is Indonesian.

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

A:
Arem-arem, country, Indonesia; Indonesia, leader, Jusuf Kalla; Arem-arem, region, Javanese cuisine; Indonesia, language, Indonesian language