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.

the Dallas Police Department forwarded it on December two, nineteen sixty three.
the Dallas Police Department forwarded it on December 2, 1963.

in the three years between eighteen thirteen and eighteen sixteen,
in the three years between 1813 and 1816,

On April twenty one, nineteen sixty three, the FBI field office in New York

On April 21, 1963, the FBI field office in New York