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

[Q]: Sentence: New measures could be announced shortly , an administration official said .<sep>Span: an administration official
[A]: Who is the administration official?

[Q]: Sentence: But these lowly sea urchins adapt so quickly they ' re helping answer a question that ' s key to understanding ocean acidification : As fossil - fuel emissions disrupt marine life , will evolution come to the rescue ?<sep>Span: ocean acidification :
[A]: What is ocean acidification?

[Q]: Sentence: Under mounting pressure from new revelations that the United States collected the telephone data of tens of millions of Europeans , the Obama administration on Monday said that there is a need for new constraints on U . S . intelligence - gathering operations and a top senator announced that the spying on U . S . allies would stop .<sep>Span: U . S . intelligence - gathering operations
[A]:
Which agency did this?