Sentence: The population density in Angola, Indiana, is 524.5 (inhabitants per square kilometre).

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

A: Angola, Indiana, populationDensity, 524.5 (inhabitants per square kilometre)

Sentence: The county seat of Tarrant County in Texas is Fort Worth.

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

A: Tarrant County, Texas, countySeat, Fort Worth, Texas

Sentence: Al-Amin Daggash was succeeded by Abdulsalami Abubakar, who served in the Nigerian Air Force and was in office whilst Mike Akhigbe was Vice President.

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

A:
Abdulsalami Abubakar, inOfficeWhileVicePresident, Mike Akhigbe; Abdulsalami Abubakar, successor, Al-Amin Daggash; Abdulsalami Abubakar, militaryBranch, Nigerian Air Force