Sentence: Washington, D.C is the capital of the United States.

What data can be extracted from this sentence?

A: United States, capital, Washington, D.C.

Sentence: A Wizard of Mars was published in the United States, where English is spoken and Barack Obama is the leader. African Americans are one of the ethnic groups there.

What data can be extracted from this sentence?

A: United States, ethnicGroup, African Americans; United States, leader, Barack Obama; United States, language, English language; A Wizard of Mars, country, United States

Sentence: Building started on the Addis Ababa City Hall in 1961.

What data can be extracted from this sentence?

A: Addis Ababa City Hall, buildingStartDate, 1961

Sentence: Pierce County, Washington is in the United States.

What data can be extracted from this sentence?

A:
Pierce County, Washington, country, United States