Sentence: 101 Helena was discovered by the Canadian James Craig Watson, who died in Madison, Wisconsin. Its apoapsis is 441092000.0 kilometres.

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

A: 101 Helena, discoverer, James Craig Watson; James Craig Watson, nationality, Canada; James Craig Watson, deathPlace, Madison, Wisconsin; 101 Helena, apoapsis, 441092000.0 (kilometres)

Sentence: Addis Ababa City hall began being constructed in 1961 and has a floor area of 140000.0 square metres.

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

A: Addis Ababa City Hall, buildingStartDate, 1961; Addis Ababa City Hall, floorArea, 140000.0 (square metres)

Sentence: The celestial body known as 110 Lydia, which has a mass of 6.7kg was discovered by Alphonse Borrelly and has the epoch date 31 December 2006. Its orbital period is 142603000.0 and the apoapsis measures 440756000.0 kms.

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

A:
110 Lydia, mass, 6.7 (kilograms); 110 Lydia, discoverer, Alphonse Borrelly; 110 Lydia, orbitalPeriod, 142603000.0; 110 Lydia, epoch, 2006-12-31; 110 Lydia, apoapsis, 440756000.0 (kilometres)