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

Example Input: MySpace previously thought the site had 40,000 offender accounts registered.
Example Output: MySpace previously thought the site had 40,000 offender accounts registered .

Example Input: Rebels would disguise themselves as traders and merchants to get their hands on the currency.
Example Output: Rebels would disguise themselves as traders and merchants to get their hands on the currency .

Example Input: The canton in the north east of Switzerland has an area is 173 km².
Example Output:
The canton in the north east of Switzerland has an area is 173 km ² .

