Definition: In this task, you are given triplets. Each triplet is in the form of [subject, predicate, object]. Your task is to generate proper sentence that utilizes these triples. The objective is to construct a sentence that (a) captures the facts specified in the triples and (b) is a well-formed sentence easily understandable by a human. All triple values need not be used directly in the sentence as long as the facts are adequately captured.
Input: [['Afonso Pena International Airport', 'CITY_SERVED', 'Curitiba'], ['Curitiba', 'COUNTRY', 'Brazil'], ['Curitiba', 'IS_PART_OF', 'Paraná (state)'], ['Curitiba', 'LEADER_NAME', 'Democratic Labour Party (Brazil)'], ['Curitiba', 'IS_PART_OF', 'South Region, Brazil']]

Afonsa Pena International Airport serves the city of Curitiba in Brazil. Curitiba is led by the Democratic Labour Party, is found in the south region and is part of the state of Parana.