In this task, you are given a sentence and a verb from the sentence. Your task is to generate a set of wh-questions starting with who, what, when, where, why, how, how much. The generated questions must contain the verb and the answers to these questions are phrases in the input sentence. The answer to the questions is associated with a specific semantic role. The answer to these questions is associated with a specific semantic role. The questions must use pronouns instead of direct nouns that could be used to refer to various roles present in the sentence. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is unique (iii) its answer is a continuous text span from the paragraph.

[EX Q]: Sentence: A Fifth order Fresnel lens manufactured by Parisian glass makers Barbier and Fenestre was installed in the lantern . 
 Verb: installed
[EX A]: what was  installed?

[EX Q]: Sentence: Losing Barbara caused Dick to become estranged from Bruce for his role . 
 Verb: caused
[EX A]: what   caused someone to do something?

[EX Q]: Sentence: Many composers have been capable of producing music in printed form without the capacity themselves to read or write in musical notation , as long as an amanuensis of some sort is available . 
 Verb: producing
[EX A]:
who   produces something?