input question: Sentence: Agnes Kant is a national of the Netherlands.

Structured data: Agnes Kant, nationality, Netherlands

input question: Sentence: 109 Felicitas has 7.5 kg of mass.

Structured data: 109 Felicitas, mass, 7.5 (kilograms)

input question: Sentence: Ahmet Ertegun, a rock and roll musician, came from the U.S. Rock and roll music originated from country music. One ethnci group in the U.S. are African Americans.

Structured data: Ahmet Ertegun, genre, Rock and roll; Rock and roll, stylisticOrigin, Country music; Ahmet Ertegun, origin, United States; United States, ethnicGroup, African Americans

input question: Sentence: J.V. Jones is the author of A Fortress of Grey Ice and the OCLC number is 51969173.

Structured data:
A Fortress of Grey Ice, author, J. V. Jones; A Fortress of Grey Ice, oclcNumber, 51969173