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

Example Input: They are very team-oriented and when it is time to compete, they ignore everything else going on and focus on performing their best.
Example Output: They are very team-oriented and when it is time to compete , they ignore everything else going on and focus on performing their best .

Example Input: The final leader's declaration said that APEC member economies will support the Doha trade talks and that the leaders examined a series of measures to deal with terrorism, pandemics, contaminated food, energy security and natural disasters.
Example Output: The final leader 's declaration said that APEC member economies will support the Doha trade talks and that the leaders examined a series of measures to deal with terrorism , pandemics , contaminated food , energy security and natural disasters .

Example Input: In January of this year Corus cut approximately 3,500 staff worldwide; 2,500 of them in Britain.
Example Output:
In January of this year Corus cut approximately 3,500 staff worldwide ; 2,500 of them in Britain .