TASK DEFINITION: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
PROBLEM: The Volvo B12M is an underfloor-engined bus/coach chassis introduced by Volvo Buses in 2001 as a replacement for the Volvo B10M.

SOLUTION: What year was Volvo B12M commissioned?

PROBLEM: The President of the European Parliament (Parliament's speaker) is Martin Schulz (S&D), elected in January 2012.

SOLUTION: Who led European Parliament?

PROBLEM: Reza Rezaee (Persian: ; born December 24, 1960) is a Norwegian-Iranian politician representing the left-wing political party Red.

SOLUTION:
What was the political party of Reza Rezaee?