input question: Sentence: Italy's leader is Pietro Grasso.

Structured data: Italy, leader, Pietro Grasso

input question: Sentence: There are 600 students attending the Accademia di Architettura di Mendrisio.

Structured data: Accademia di Architettura di Mendrisio, numberOfStudents, 600

input question: Sentence: 101 Helena has a density of 2.0 gram per Cubic centimeters, an escape velocity of 0.0348 km per sec and its apoapsis is 441092000.0 kilometres.

Structured data: 101 Helena, density, 2.0 (gramPerCubicCentimetres); 101 Helena, escapeVelocity, 0.0348 (kilometrePerSeconds); 101 Helena, apoapsis, 441092000.0 (kilometres)

input question: Sentence: Alcatraz Versus the Evil Librarians is published in Hardcover and the OCLC number 78771100.

Structured data:
Alcatraz Versus the Evil Librarians, mediaType, Hardcover; Alcatraz Versus the Evil Librarians, oclcNumber, 78771100