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.

Sentence: A nonsurgical alternative involves the use of a miotic to constrict the pupil and prevent the lens from luxating into the anterior chamber . 
 Verb: constrict
what is  constricted?

Sentence: He also began making super-8 films beginning in junior high , and showed these films to the scholarship committee of Brigham Young University in 1981 , earning a full scholarship in ` Theatre and Cinematic Arts ' after receiving a Sundance Institute ` Most Promising Filmmaker ' award for his film `` Night Meeting '' . 
 Verb: meeting
what was something meeting?

Sentence: Following the report , Attorney General Michael Mukasey appointed a special prosecutor to investigate whether former Attorney General Alberto Gonzales and other officials involved in the firings of nine U.S. attorneys broke the law . 
 Verb: investigate

who should  investigate something?