TASK DEFINITION: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
PROBLEM: Archipelago and Instinet are innovative e-trading (electronic trading) companies, and formerly were the two largest American rivals to NYSE and NASDAQ, in recent years taking increasingly large portions of their market share.

SOLUTION: Archipelago and Instinet are innovative e-trading -LRB- electronic trading -RRB- companies , and formerly were the two largest American rivals to NYSE and NASDAQ , in recent years taking increasingly large portions of their market share .

PROBLEM: Improvised explosive devices have been a big killer of both Iraqi civilians and Allied forces in Iraq.

SOLUTION: Improvised explosive devices have been a big killer of both Iraqi civilians and Allied forces in Iraq .

PROBLEM: Note that this is not a fully automated system, as a human doctor controls the operation via remote control.

SOLUTION:
Note that this is not a fully automated system , as a human doctor controls the operation via remote control .