Definition: In this task you are given a list of triplets of the form [subject, predicate, object] and the output should be a question based on the triplets but with the subject and/or object replaced with blanks (represented using two or more consecutive underscores). Triplet values encompassed in [*] are special tokens that can be replaced with synonyms. The objective is to construct a question in a manner that (a) captures the facts specified in at least one of the triplets, and (b) ideally contains a limited number of blanks such that it is a well-formed question that is easy to answer. A blank can represent a single word or a phrase.
Input: [['Afonso Pena International Airport', 'CITY_SERVED', 'Curitiba'], ['Curitiba', 'IS_PART_OF', 'Paraná (state)'], ['Afonso Pena International Airport', 'OPERATING_ORGANISATION', 'Infraero'], ['Afonso Pena International Airport', 'LOCATION', 'São José dos Pinhais'], ['São José dos Pinhais', 'IS_PART_OF', 'South Region, Brazil']]

Afonso Pena International Airport in São José dos Pinhais serves _____, which is part of Parana state. São José dos Pinhais is part of the South Region, Brazil.