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

Ex Input:
"What I know is the death rate has gone down drastically since early May."

Ex Output:
`` What I know is the death rate has gone down drastically since early May . ''


Ex Input:
The Global Polio Eradication Initiative has announced its goal to eradicate Polio from Asia in 2005.

Ex Output:
The Global Polio Eradication Initiative has announced its goal to eradicate Polio from Asia in 2005 .


Ex Input:
This facility, supported by the Australian Institute of Sport's experts, enables performance analysis to help the Australian Olympians excel during the London Games.

Ex Output:

This facility , supported by the Australian Institute of Sport 's experts , enables performance analysis to help the Australian Olympians excel during the London Games .


