Sentence: 31 December 2006 is the epoch of 110 Lydia, which has a mass of 6.7 kilograms, and an orbital period of 142603000.0.

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

A: 110 Lydia, epoch, 2006-12-31; 110 Lydia, mass, 6.7 (kilograms); 110 Lydia, orbitalPeriod, 142603000.0

Sentence: Solo rhythm and blues singer Aleksandra Kovac was born in Yugoslavia in 1972.

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

A: Aleksandra Kovac, genre, Rhythm and blues; Aleksandra Kovac, background, "solo singer"; Aleksandra Kovac, birthYear, 1972; Aleksandra Kovac, birthPlace, Yugoslavia

Sentence: Aaron S Daggett took part in the Battle of Cold Harbor, the battle where one of the commanders was, Robert E. Lee.

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

A:
Aaron S. Daggett, battle, Battle of Cold Harbor; Battle of Cold Harbor, commander, Robert E. Lee