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.

she identified a picture of Oswald as being the same person she saw on November twenty two.
she identified a picture of Oswald as being the same person she saw on November 22.

it was established that the photographs must have been taken sometime after March twenty seven.
it was established that the photographs must have been taken sometime after March 27.

This block was completed in eighteen fifty nine, after which the hitherto unavoidable and long continued promiscuous association of prisoners

This block was completed in 1859, after which the hitherto unavoidable and long continued promiscuous association of prisoners