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

Example Input: Court documents set a scene in which 36-year-old Semrau was in charge of a small group of soldiers caught in an ambush on October 19 last year.
Example Output: Court documents set a scene in which 36-year-old Semrau was in charge of a small group of soldiers caught in an ambush on October 19 last year .

Example Input: The launch was originally planned for yesterday, but delayed for the launch of the Space Shuttle Endeavour, which was itself later delayed again due to another hydrogen fuel leak.
Example Output: The launch was originally planned for yesterday , but delayed for the launch of the Space Shuttle Endeavour , which was itself later delayed again due to another hydrogen fuel leak .

Example Input: In July 2004, Romania will revalue its currency, the leu, so that 10,000 old lei will equal 1 new leu, with 1 euro being equal to approximately 3.6 new lei.
Example Output:
In July 2004 , Romania will revalue its currency , the leu , so that 10,000 old lei will equal 1 new leu , with 1 euro being equal to approximately 3.6 new lei .