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: 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.