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: The Obama administration is developing additional screening protocols for airline passengers both overseas and in the United States to control infectious diseases such as Ebola , President Barack Obama said Monday .<sep>Span: Ebola ,
[EX A]: Why is the United States concerned about Ebola?

[EX Q]: Sentence: On Monday , she paused to send the California school an email .<sep>Span: paused
[EX A]: Why did she hesitate in sending an email to the school?

[EX Q]: Sentence: But it can be hard for geologists to interpret what they see when they can ' t agree how old a rock is .<sep>Span: how old a rock is
[EX A]:
Why does age of the rocks matter?