This task is about creating an unanswerable question based on a given passage. Construct a question that looks relevant to the given context but is unanswerable. Following are a few suggestions about how to create unanswerable questions:
(i) create questions which require satisfying a constraint that is not mentioned in the passage
(ii) create questions which require information beyond what is provided in the passage in order to answer
(iii) replace an existing entity, number, date mentioned in the passage with other entity, number, date and use it in the question
(iv) create a question which is answerable from the passage and then replace one or two words by their antonyms or insert/remove negation words to make it unanswerable.

[EX Q]: Passage: The so-called "Sack of Palermo" is one of the major visible faces of the problem. The term is used to indicate the speculative building practices that have filled the city with poor buildings. The reduced importance of agriculture in the Sicilian economy has led to a massive migration to the cities, especially Palermo, which swelled in size, leading to rapid expansion towards the north. The regulatory plans for expansion was largely ignored in the boom. New parts of town appeared almost out of nowhere, but without parks, schools, public buildings, proper roads and the other amenities that characterise a modern city.
[EX A]: What is the term for the building boom erected many fine buildings?

[EX Q]: Passage: The eleven prefecture-level divisions of Zhejiang are subdivided into 90 county-level divisions (36 districts, 20 county-level cities, 33 counties, and one autonomous county). Those are in turn divided into 1,570 township-level divisions (761 towns, 505 townships, 14 ethnic townships, and 290 subdistricts). Hengdian belongs to Jinhua, which is the largest base of shooting films and TV dramas in China. Hengdian is called "China's Hollywood".
[EX A]: How many unprefecture-level divisions of Zhejiang are there?

[EX Q]: Passage: The Presbyterian Church (U.S.A.) has adopted the Book of Confessions, which reflects the inclusion of other Reformed confessions in addition to the Westminster Standards. These other documents include ancient creedal statements (the Nicene Creed, the Apostles' Creed), 16th-century Reformed confessions (the Scots Confession, the Heidelberg Catechism, the Second Helvetic Confession), and 20th century documents (The Theological Declaration of Barmen, Confession of 1967 and A Brief Statement of Faith).
[EX A]:
Which book has the Theological Declaration of Barmen adopted?