Sentence: The AIDAstellas was laid down on 17th December 2008 and is 253.26m long.

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

A: AIDAstella, shipLaidDown, 2008-12-17; AIDAstella, length, 253260.0 (millimetres)

Sentence: (29075) 1950 DA has a periapsis of 124950000000.0, and the epoch date of August 27th 2011.

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

A: (29075) 1950 DA, epoch, 2011-Aug-27; (29075) 1950 DA, periapsis, 124950000000.0

Sentence: The United States Air Force has fought in the Korean War.

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

A:
United States Air Force, battle, Korean War