Sentence: (19255) 1994 VK8 has a periapsis of 6155910000000.0.

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

A: (19255) 1994 VK8, periapsis, 6155910000000.0

Sentence: James Craig Watson, a Canadian national, discovered the celestial body, 103 Hera. He died in Madison, Wisconsin.

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

A: 103 Hera, discoverer, James Craig Watson; James Craig Watson, nationality, Canada; James Craig Watson, deathPlace, Madison, Wisconsin

Sentence: A Wizard of Mars originates from the United States and is published in English, which is spoken in Great Britain. One of the ethnic groups in the US are the African Americans.

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

A:
United States, ethnicGroup, African Americans; A Wizard of Mars, language, English language; English language, spokenIn, Great Britain; A Wizard of Mars, country, United States