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

Ex Input:
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.

Ex Output:
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 .

Ex Input:
Li is also concerned about the rule which prohibits the entering of the first-class carriage without buying a ticket.

Ex Output:
Li is also concerned about the rule which prohibits the entering of the first-class carriage without buying a ticket .

Ex Input:
Also, "There continue to be reports of WMD in Iraq."

Ex Output:
Also , '' There continue to be reports of WMD in Iraq . ''