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 also advised the Secret Service of the circulation on November twenty one of a handbill sharply critical of President Kennedy,
[EX A]: It also advised the Secret Service of the circulation on November 21 of a handbill sharply critical of President Kennedy,

[EX Q]: Approximately seven or eight minutes later
[EX A]: Approximately 7 or 8 minutes later

[EX Q]: Wagner, after conviction, offered to reveal, for a reward of three thousand pounds
[EX A]:
Wagner, after conviction, offered to reveal, for a reward of 3000