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.

Q: Oswald's commitment to Marxism contributed to the decisions which led him to defect to the Soviet Union in nineteen fifty nine, and later

A: Oswald's commitment to Marxism contributed to the decisions which led him to defect to the Soviet Union in 1959, and later
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Q: This vehicle, a nineteen fifty five Cadillac eight passenger convertible especially outfitted for the Secret Service,

A: This vehicle, a 1955 Cadillac eight passenger convertible especially outfitted for the Secret Service,
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Q: By August of nineteen sixty three, Oswald had for some time been considering the possibility of leaving the United States again.

A:
By August of 1963, Oswald had for some time been considering the possibility of leaving the United States again.
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