input question: Sentence: A Wizard of Mars was published by Harcourt.

Structured data: A Wizard of Mars, publisher, Harcourt (publisher)

input question: Sentence: The Yuzhnoye Design Office is situated in Dnipropetrovsk.

Structured data: Yuzhnoye Design Office, location, Dnipropetrovsk

input question: Sentence: The periapsis of 1099 Figneria is 349206000000.0.

Structured data: 1099 Figneria, periapsis, 349206000000.0

input question: Sentence: African Americans are an ethnic group within the United States.

Structured data:
United States, ethnicGroup, African Americans