You will be given a definition of a task first, then some input of the task.
In this task, given a sentence in the English language, your task is to convert it into English Tokens.

He said a report compiled by the Australian National Retailers Association, representing major supermarkets, showed that by the end of last year supermarkets had reduced their annual use of lightweight, single-use bags by 45 per cent compared with 2002.
Output:
He said a report compiled by the Australian National Retailers Association , representing major supermarkets , showed that by the end of last year supermarkets had reduced their annual use of lightweight , single-use bags by 45 per cent compared with 2002 .