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: [['Iraq', 'LEADER_NAME', 'Haider al-Abadi'], ['Iraq', 'CURRENCY', 'Iraqi dinar'], ['Iraq', 'LEADER_NAME', 'Fuad Masum'], ['Al-Taqaddum Air Base', 'CITY_SERVED', 'Fallujah'], ['Fallujah', 'COUNTRY', 'Iraq']]

Al-Taqaddum Air Base serves the city of Fallujah in _____. Haider al-Abadi is the prime minister and Fuad Masum is the president of Iraq.The currency of Iraq is the Iraqi dinar.