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

Ex Input:
Alcohol use problems, however, were equally prevalent regardless of treatment outcome.

Ex Output:
Alcohol use problems , however , were equally prevalent regardless of treatment outcome .


Ex Input:
"For those who believe in international justice and accountability for human rights crimes, the trial of Saddam Hussein is a rare opportunity to test the system and make it work."

Ex Output:
`` For those who believe in international justice and accountability for human rights crimes , the trial of Saddam Hussein is a rare opportunity to test the system and make it work . ''


Ex Input:
"The prevarication and petty wriggling by the DUP is preventing the potential for progress and holding us all up to public ridicule."

Ex Output:

`` The prevarication and petty wriggling by the DUP is preventing the potential for progress and holding us all up to public ridicule . ''