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.

Q: Sentence: The city of Hartford is protected by 395 professional firefighters of the city of Hartford Fire Department . 
 Verb: protected

A: what is  protected  by something?
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Q: Sentence: In one instance , Japanese police in the village of Jeam-ri , Hwaseong herded everyone into a church , locked it , and burned it to the ground . 
 Verb: locked

A: what was  locked?
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Q: Sentence: As ex-slaves risked beatings for failing to meet the continuing duties , their freedom was limited . 
 Verb: failing

A:
what might someone fail  to do?
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