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.

Input: Consider Input: Sentence: When BrdU is integrated into DNA , it is supposed that the bromine deforms the minor groove so that Hoechst dyes can not reach their optimal binding site . 
 Verb: deforms

Output: what   deforms something?


Input: Consider Input: Sentence: This technology is implemented in the lens itself , or by moving the sensor as the final element in the optical path . 
 Verb: implemented

Output: what is  implemented?


Input: Consider Input: Sentence: The Packers had not lost at Lambeau Field in December since the 1993 season , and the 5-7 Panthers desperately needed a win to keep their playoff hopes alive . 
 Verb: keep


Output: what must someone keep?