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: Getting there requires a fairly steep hike from the Rim Drive trailhead . 
 Verb: requires
[EX A]: what is  required?

[EX Q]: Sentence: For use in icy ground , up to 18 rubber pads can be replaced by the same number of grousers , which are stored in the vehicle 's bow when not in use . 
 Verb: replaced
[EX A]: what can  be replaced  by something?

[EX Q]: Sentence: Digging in south of Bologna for the winter , the 34th jumped off , 15 April 1945 , and captured Bologna on 21 April . 
 Verb: digging
[EX A]:
where did someone dig?