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

Example Input: "We are now confronted with another trauma," Robert Soulas, vice president of Entraide et Solidarité AF447, a support group for families of victims of the crash, said.
Example Output: `` We are now confronted with another trauma , '' Robert Soulas , vice president of Entraide et Solidarité AF447 , a support group for families of victims of the crash , said .

Example Input: Mandela was hospitalised for eighteen days, his longest hospitalisation since 1990, when he was released from prison after 27 years.
Example Output: Mandela was hospitalised for eighteen days , his longest hospitalisation since 1990 , when he was released from prison after 27 years .

Example Input: Democrats Hillary Clinton and Barack Obama were also campaigning in the state on Thursday.
Example Output:
Democrats Hillary Clinton and Barack Obama were also campaigning in the state on Thursday .