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: [['Australian Grand Prix', 'POLE_POSITION', 'Sebastian Vettel']]

SOLUTION: _____ took Pole position at the _____.

PROBLEM: [['11 Diagonal Street', 'LOCATION', 'South Africa'], ['South Africa', 'CAPITAL', 'Cape Town'], ['South Africa', 'ETHNIC_GROUP', 'White South African'], ['South Africa', 'ETHNIC_GROUP', 'Coloured']]

SOLUTION: 11 Diagonal Street is located in _____, where _____ is the capital of South Africa, and ethnic groups are the white South Africans and the coloured.

PROBLEM: [['1634: The Bavarian Crisis', 'AUTHOR', 'Eric Flint'], ['Eric Flint', 'INFLUENCED_BY', 'Robert A. Heinlein'], ['1634: The Bavarian Crisis', 'PRECEDED_BY', 'Grantville Gazette II']]

SOLUTION:
_____ was influenced by Robert A. Heinlein and is the author of 1634: The Bavarian Crisis, that was preceded by Grantville Gazette II.