input question: Sentence: Athens International Airport serves the city of Athens in Greece where its leader is Nikos Voutsis.

Structured data: Athens International Airport, cityServed, Athens; Athens, country, Greece; Greece, leader, Nikos Voutsis

input question: Sentence: 103 Hera has an escape velocity of 0.0482 kilometres per second and its apoapsis is 437170000.0 kms.

Structured data: 103 Hera, escapeVelocity, 0.0482 (kilometrePerSeconds); 103 Hera, apoapsis, 437170000.0 (kilometres)

input question: Sentence: The epoch of 1101 Clematis is on the 31st of July 2016.

Structured data: 1101 Clematis, epoch, 2006-12-31

input question: Sentence: Abel Caballero was in office while Juan Carlos 1 of Spain was Monarch he was preceded by Francisco Franco.

Structured data:
Abel Caballero, inOfficeWhileMonarch, Juan Carlos I of Spain; Juan Carlos I of Spain, predecessor, Francisco Franco