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

Ex Input:
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 Output:
Why is the United States concerned about Ebola?

Ex Input:
Sentence: Geologist Erin Argyilan has in the last 10 months studied sediment , analyzed wind patterns and mapped terrain , but she hasn ' t solved the mystery of the holes that appear and vanish in the beige sands of Mount Baldy at Indiana Dunes National Lakeshore .<sep>Span: studied

Ex Output:
How did Erin Argylian study this sediment?

Ex Input:
Sentence: An Internet video of six young Iranian men and women dancing to Pharrell Williams ' " Happy " has led to their arrests , showing how far Tehran will go to halt what it deems to be decadent Western behavior - despite the views of its moderate president .<sep>Span: " Happy "

Ex Output:
Is that a popular song?