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.
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Question: Sentence: He remained in the MGM `` Our Gang '' productions until his final appearance in the series , `` Unexpected Riches '' , in 1942 at age fourteen . 
 Verb: remained

Answer: who   remained   somewhere?


Question: Sentence: Originally the three women , Amy Saunders , Lou Bennett and Sally Dastey combined their vocal talents as backing singers for Aboriginal band Djaambi , led by Saunder 's brother Richard Frankland in 1990 . 
 Verb: backing

Answer: who were  backing something?


Question: Sentence: It transforms back into Alan just in time for Pete to arrive and see Ed open the airlock . 
 Verb: open

Answer:
who   opens something?