Teacher:Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
Teacher: Now, understand the problem? Solve this instance: Sentence: An unfortunate irony to emerge from our lackluster economic recovery is that even as millions of Americans remain unemployed or underemployed , too many employers are unable to find qualified candidates for open positions .<sep>Span: positions
Student:
If so many Americans are unemployed or underemployed, then how come so many employers are unable to find qualified candidates for open positions?