Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.

Q: Sentence: Left unchanged , the supply of skilled workers will dwindle leaving some 5 million jobs vacant by 2018 and won ' t keep pace with the demands of a modern economy or the needs of employers struggling to compete .<sep>Span: unchanged ,

A: how can it be changed?
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Q: Sentence: " I ' m letting them know I may not make it in time , " she said .<sep>Span: in time , "

A: Why wouldn't she make it in time?
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Q: Sentence: It was the latest accident in a troubled year for the nation ' s second - biggest commuter railroad , which had never experienced a passenger death in an accident in its 31 - year - history .<sep>Span: It was the latest accident

A:
How many accidents have their been?
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