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:
Prior to the arrival of troops, Haiti had not encountered problems related to the disease since the 1800s.

Ex Output:
Prior to the arrival of troops , Haiti had not encountered problems related to the disease since the 1800s .

Ex Input:
Charges include grand larceny, securities fraud, conspiracy, and falsifying business records.

Ex Output:
Charges include grand larceny , securities fraud , conspiracy , and falsifying business records .