TASK DEFINITION: Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
PROBLEM: Context: Branko Cvetkovic (born 5 March 1984) is a Serbian professional basketball player for Tadamon Zouk of the Lebanese Basketball League. 
 Question: Which sport does/did Branko Cvetkovic play?

SOLUTION: basketball

PROBLEM: Context: Ceraunius Tholus is a volcano on Mars located in the Tharsis quadrangle at 24.25 north latitude and 262.75 east longitude, part of the Uranius group of volcanoes. 
 Question: On what moon or planet can Ceraunius Tholus be found?

SOLUTION: mars

PROBLEM: Context: The Quarrymen (also written as ''the Quarry Men'') are a British skiffle/rock and roll group, formed by John Lennon in Liverpool in 1956, which eventually evolved into the Beatles in 1960. 
 Question: From what city is the band The Quarrymen?

SOLUTION:
liverpool