Context:
Gelston is a village in the South Kesteven district of Lincolnshire, England. It is situated 2 mi west from the A607 road, 5 mi north from Grantham, and in the civil parish of Hough-on-the-Hill, a village 1 mi to the north-east. It is in the civil parish of Brant Broughton and Stragglethorpe.
Hypothesis: Gelston is located in  England
Yes
Context:
Scott Powell was born in Dallas, Texas, on August 13, 1948. He was a founding member of Sha Na Na, which began at Columbia University in 1969, under the name The Kingsmen. The group's name was later changed to avoid confusion with another band of the same name.
Hypothesis: Sha Na Na were one of the best bands of all time.
It's impossible to say
Context:
The Spies of Warsaw is a 2008 spy novel by Alan Furst about espionage involving the major nations shortly before World War II competing for influence and control over the future of Poland. The story starts in October 1937 and ends in May 1938, with a one paragraph description outlining the future of the two lead characters.
Hypothesis: Furst included a description about occurrences after May 1938 in The Spies of Warsaw.

Yes