In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.

Q: Sentence: A Fifth order Fresnel lens manufactured by Parisian glass makers Barbier and Fenestre was installed in the lantern . 
 Question: who was something manufactured  by?

A: Parisian glass makers Barbier and Fenestre
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Q: Sentence: The `` power cepstrum '' was defined in a 1963 paper by Bogert et al. . 
 Question: how was something defined?

A: in a 1963 paper by Bogert et al.
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Q: Sentence: Set in an alternate near-future Japan , the protagonist of the story , a young woman codenamed `` Kabuki '' , acts as an agent and television law-enforcement personality for a clandestine government body known as `` The Noh '' . 
 Question: why is something known  as something?

A:
clandestine government body
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