The task is to read a passage and convert numbers in their text forms into digit forms. The text numbers can be used to represent Quantity, Dates and Time, Addresses or Positions.

[EX Q]: It will examine his defection to the Soviet Union in nineteen fifty nine, his subsequent return to the United States and his life here
[EX A]: It will examine his defection to the Soviet Union in 1959, his subsequent return to the United States and his life here

[EX Q]: Power production in this country is virtually back to the nineteen twenty nine peak.
[EX A]: Power production in this country is virtually back to the 1929 peak.

[EX Q]: approximately thirty to forty five seconds after Oswald's lunchroom encounter with Baker and Truly.
[EX A]:
approximately 30 to 45 seconds after Oswald's lunchroom encounter with Baker and Truly.