In this task, given a sentence in the English language, your task is to convert it into English Tokens.

Ex Input:
Even though some cyclists were unable to finish this race due to some crashes, but several participated cyclists still successfully finished this race steadily and safely.

Ex Output:
Even though some cyclists were unable to finish this race due to some crashes , but several participated cyclists still successfully finished this race steadily and safely .


Ex Input:
In one of the most contentious Democratic primary races of the season, Iraqi war veteran Tammy Duckworth garnered 44% of the vote in the 6th Illinois congressional district, beating out Christine Cegalis (40%) and Lindy Scott (16%).

Ex Output:
In one of the most contentious Democratic primary races of the season , Iraqi war veteran Tammy Duckworth garnered 44 % of the vote in the 6th Illinois congressional district , beating out Christine Cegalis -LRB- 40 % -RRB- and Lindy Scott -LRB- 16 % -RRB- .


Ex Input:
The social network has been used in the past as an outlet for political expression.

Ex Output:

The social network has been used in the past as an outlet for political expression .


