TASK DEFINITION: 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.
PROBLEM: Sentence: A Fifth order Fresnel lens manufactured by Parisian glass makers Barbier and Fenestre was installed in the lantern . 
 Verb: manufactured

SOLUTION: what was  manufactured?

PROBLEM: Sentence: Pitt spoke out against the Convention of El Pardo which aimed to settle the dispute peacefully . 
 Verb: spoke

SOLUTION: who   spoke  out?

PROBLEM: Sentence: These include all current Airbus , Boeing , Bombardier and Embraer models as well as Helicopters . 
 Verb: include

SOLUTION:
what is  included?