TASK DEFINITION: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
PROBLEM: Such human rights concerns have long served as a stumbling block for Turkey's attempts to join the European Union.

SOLUTION: Such human rights concerns have long served as a stumbling block for Turkey 's attempts to join the European Union .

PROBLEM: Tickets for the film will be available to purchase from Sunday, September 27.

SOLUTION: Tickets for the film will be available to purchase from Sunday , September 27 .

PROBLEM: All this comes as the United States Congress is debating resolutions on re-deploying troops from Iraq.

SOLUTION:
All this comes as the United States Congress is debating resolutions on re-deploying troops from Iraq .