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.
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Question: Passage: Present-day Christian religious bodies known for conducting their worship services without musical accompaniment include some Presbyterian churches devoted to the regulative principle of worship, Old Regular Baptists, Primitive Baptists, Plymouth Brethren, Churches of Christ, the Old German Baptist Brethren, Doukhobors the Byzantine Rite and the Amish, Old Order Mennonites and Conservative Mennonites. Certain high church services and other musical events in liturgical churches (such as the Roman Catholic Mass and the Lutheran Divine Service) may be a cappella, a practice remaining from apostolic times. Many Mennonites also conduct some or all of their services without instruments. Sacred Harp, a type of folk music, is an a cappella style of religious singing with shape notes, usually sung at singing conventions.

Answer: What are some present day Christian churces nolonger use the a capella form?


Question: Passage: The United States Mint produces Proof Sets specifically for collectors and speculators. Silver Proofs tend to be the standard designs but with the dime, quarter, and half dollar containing 90% silver. Starting in 1983 and ending in 1997, the Mint also produced proof sets containing the year's commemorative coins alongside the regular coins. Another type of proof set is the Presidential Dollar Proof Set where four special $1 coins are minted each year featuring a president. Because of budget constraints and increasing stockpiles of these relatively unpopular coins, the production of new Presidential dollar coins for circulation was suspended on December 13, 2011, by U.S. Treasury Secretary Timothy F. Geithner. Future minting of such coins will be made solely for collectors.

Answer: What is specifically produced for budget constraints?


Question: Passage: Contemporaneously with the rise of analytic ethics in Anglo-American thought, in Europe several new lines of philosophy directed at critique of existing societies arose between the 1950s and 1980s. Most of these took elements of Marxist economic analysis, but combined them with a more cultural or ideological emphasis. Out of the Frankfurt School, thinkers like Herbert Marcuse, Theodor W. Adorno, Max Horkheimer, and Jürgen Habermas combined Marxian and Freudian perspectives. Along somewhat different lines, a number of other continental thinkers—still largely influenced by Marxism—put new emphases on structuralism and on a "return to Hegel". Within the (post-) structuralist line (though mostly not taking that label) are thinkers such as Gilles Deleuze, Michel Foucault, Claude Lefort, and Jean Baudrillard. The Situationists were more influenced by Hegel; Guy Debord, in particular, moved a Marxist analysis of commodity fetishism to the realm of consumption, and looked at the relation between consumerism and dominant ideology formation.

Answer:
What thinkers came out of the Foucault School?