TASK DEFINITION: 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.
PROBLEM: the Commission gave weight to the fact that Oswald gave a false reason for returning home on November twenty one,

SOLUTION: the Commission gave weight to the fact that Oswald gave a false reason for returning home on November 21,

PROBLEM: The balance due on the purchase was nineteen dollars, ninety five cents.

SOLUTION: The balance due on the purchase was $19.95.

PROBLEM: each containing two notes, many of the sheets suitable for engraving any kind of note from one thousand pounds downwards.

SOLUTION:
each containing two notes, many of the sheets suitable for engraving any kind of note from 1000 downwards.