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

Example Input: He did however remain optimistic about Grokster and StreamCast's chances in the lower courts.
Example Output: He did however remain optimistic about Grokster and StreamCast 's chances in the lower courts .

Example Input: The sardines the victims ate belong to the Clupeidae family.
Example Output: The sardines the victims ate belong to the Clupeidae family .

Example Input: Such changes are to be put in place "according to Islamic principles," he said.
Example Output:
Such changes are to be put in place '' according to Islamic principles , '' he said .