instruction:
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.
question:
Contacts with De Mohrenschildt and his wife did continue and they saw the Oswalds occasionally until the spring of nineteen sixty three.
answer:
Contacts with De Mohrenschildt and his wife did continue and they saw the Oswalds occasionally until the spring of 1963.


question:
He then arrived on Thursday, November twenty one, nineteen sixty three, end quote.
answer:
He then arrived on Thursday, November 21, 1963, end quote.


question:
Quote. the apartments set apart for them, being built to accommodate sixty persons, now contain about one hundred twenty. End quote.
answer:

Quote. the apartments set apart for them, being built to accommodate 60 persons, now contain about 120. End quote.