input question: Sentence: Romania has many ethnic groups one of which are Germans.

Structured data: Romania, ethnicGroup, Germans of Romania

input question: Sentence: AIDA Cruises is in Rostock and operates the ship AIDAstella.

Structured data: AIDA Cruises, location, Rostock; AIDAstella, operator, AIDA Cruises

input question: Sentence: 14th New Jersey Volunteer Infantry Monument is owned by the National Park Service.

Structured data: 14th New Jersey Volunteer Infantry Monument, owner, National Park Service

input question: Sentence: The Black Pirate was created by the American Sheldon Moldoff, who went on to win the Inkpot Award.

Structured data:
Sheldon Moldoff, nationality, Americans; Black Pirate, creator, Sheldon Moldoff; Sheldon Moldoff, award, Inkpot Award