In this task, given a sentence in the English language, your task is to convert it into English Tokens.

The basis for the report is recently declassified military documents from the years 1964 – 1982.
The basis for the report is recently declassified military documents from the years 1964 -- 1982 .

The official death toll from the blast is expected to continue to rise, with some reports indicating that more than 60 people have been found dead.
The official death toll from the blast is expected to continue to rise , with some reports indicating that more than 60 people have been found dead .

The ad's purpose was to blast Democratic Senate candidate Harold Ford Jr, who is running against Republican Bob Corker.

The ad 's purpose was to blast Democratic Senate candidate Harold Ford Jr , who is running against Republican Bob Corker .