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

Sentence: Now the Bothell archaeologist is back in the spotlight with another set of prehistoric bones , along with DNA evidence that helps resolve a long - standing puzzle about the first Americans .<sep>Span: Bothell
who is bothell?

Sentence: New attempts to answer the question suggest that in order to halt the calamitous chain of transmission at least 50 percent of all infectious Ebola patients in West Africa and perhaps 70 percent would need to be isolated and kept from infecting other individuals .<sep>Span: perhaps 70 percent
Wouldn't the other 30% of patients continue spreading the virus?

Sentence: The United States and South Korea are on high alert amid signs that North Korea is planning a possible missile test .<sep>Span: United States and South Korea
Why just list these two countries, specifically?