Sentence: Alpena County Regional Airport is located in Maple Ridge Township, Alpena County, Michigan, United States. Its runway length is 2744.0.

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

A: Alpena County Regional Airport, location, Maple Ridge Township, Alpena County, Michigan; Alpena County Regional Airport, runwayLength, 2744.0; Maple Ridge Township, Alpena County, Michigan, country, United States

Sentence: Casey Ribicoff is Abraham A. Ribcoff's wife. Abraham A Ribicoff was born in New Britain, Connecticut, the United States, the country where one of the ethnic groups is, African Americans.

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

A: Abraham A. Ribicoff, spouse, Casey Ribicoff; Abraham A. Ribicoff, birthPlace, New Britain, Connecticut; Abraham A. Ribicoff, nationality, United States; United States, ethnicGroup, African Americans

Sentence: Angola, Indiana is in the United States.

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

A:
Angola, Indiana, country, United States