Sentence: The Acta Mathematica Hungarica covers the academic discipline of Mathematics and has the abbreviation of Acta Math Hungar. The LCCN number is 83646315.

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

A: Acta Mathematica Hungarica, LCCN number, 83646315; Acta Mathematica Hungarica, abbreviation, "Acta Math. Hungar."; Acta Mathematica Hungarica, academicDiscipline, Mathematics

Sentence: President Barack Obama is the leader of the United States where 250 Delaware Avenue is located.

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

A: United States, leaderTitle, President of the United States; 250 Delaware Avenue, location, United States; United States, leader, Barack Obama

Sentence: The ALV X-1 has 2 rocket stages.

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

A:
ALV X-1, rocketStages, 2