input question: Sentence: A Fortress of Grey Ice is from the United States, where the language is English and where one of the ethnic groups is African American.

Structured data: United States, ethnicGroup, African Americans; United States, language, English language; A Fortress of Grey Ice, country, United States

input question: Sentence: Anaheim is part of California where chinese is spoken.

Structured data: California, language, Chinese language; Anaheim, California, isPartOf, California

input question: Sentence: At an elevation of 210 metres above sea level, Alpena County Regional Airport has a runway length is 2744.0 and is located in the Wilson Township, Alpena County, Michigan.

Structured data: Alpena County Regional Airport, location, Wilson Township, Alpena County, Michigan; Alpena County Regional Airport, runwayLength, 2744.0; Alpena County Regional Airport, elevationAboveTheSeaLevel, 210

input question: Sentence: Alan Bean's retirement was in June 1981.

Structured data:
Alan Bean, dateOfRetirement, "June 1981"