input question: Sentence: The ALV X-1 rocket has 2 stages, a diameter of 1.524 metres, and was launched at the Mid Atlantic Regional Spaceport.

Structured data: ALV X-1, launchSite, Mid-Atlantic Regional Spaceport; ALV X-1, diameter, 1.524 (metres); ALV X-1, rocketStages, 2

input question: Sentence: AFC Ajax (Amateurs) competed in the 2014 season.

Structured data: AFC Ajax (amateurs), season, 2014

input question: Sentence: Albert Jennings Fountain was born in the United States were African Americans are an ethnic group.

Structured data: United States, ethnicGroup, African Americans; Albert Jennings Fountain, birthPlace, United States

input question: Sentence: Rhythm and blues musician Anders Osborne has previously worked with the band Galactic and the musical artists Tab Benoit and Billy Iuso.

Structured data:
Anders Osborne, associatedBand/associatedMusicalArtist, Billy Iuso; Anders Osborne, associatedBand/associatedMusicalArtist, Tab Benoit; Anders Osborne, genre, Rhythm and blues; Anders Osborne, associatedBand/associatedMusicalArtist, Galactic