TASK 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.
PROBLEM: [["Mama's Song", 'TIME', '4:16']]

SOLUTION: _____	duration time is 4:16

PROBLEM: [['20 Fenchurch Street', 'LOCATION', 'United Kingdom'], ['United Kingdom', 'CAPITAL', 'London'], ['London', 'LEADER_TITLE', 'European Parliament'], ['London', 'LEADER_NAME', 'Boris Johnson']]

SOLUTION: 20 Fenchurch Street is located in the United Kingdom, of which the capital is _____. The Leader of London, via the European Parliament, is called Boris Johnson.

PROBLEM: [['Muri', 'DISTANCE_FROM_WELLINGTON', '31.15 km'], ['Muri', 'CLOSED', '2011'], ['Muri', 'OPENED', '1952']]

SOLUTION:
_____ Station is 31.15 kilometers from Wellington, and it was opened from 1952 to _____.