Teacher: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
Teacher: Now, understand the problem? If you are still confused, see the following example:
The incident, involving a lorry and a Ford Mondeo, occurred at around 01:00 UTC today (02:00 local time) on the A607 road.
Solution: The incident , involving a lorry and a Ford Mondeo , occurred at around 01:00 UTC today -LRB- 02:00 local time -RRB- on the A607 road .
Reason: The above sentence is correctly translated from English to English Tokens.

Now, solve this instance: 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.
Student:
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 .