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

[EX Q]: Sentence: They have served as diplomatic tools to ratchet up or ease political pressure .<sep>Span: diplomatic tools
[EX A]: How have they served as diplomatic tools?

[EX Q]: Sentence: She is one of many experts who have combed the terrain for clues on the origin of these potentially dangerous holes , which are about a foot in diameter and seem to survive for less than a day before filling in naturally with sand .<sep>Span: potentially dangerous holes ,
[EX A]: How are these holes particularly dangerous?

[EX Q]: 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
[EX A]:
If so many Americans are unemployed or underemployed, then how come so many employers are unable to find qualified candidates for open positions?