TASK DEFINITION: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
PROBLEM: "Though I'd note that the 's' and 'b' keys aren't all that close to each other, I assume it was just an unfortunate mistake, and don't think there was any truly malicious intent," said Tommy Vietor, Obama's press secretary.

SOLUTION: `` Though I 'd note that the 's ' and ` b ' keys are n't all that close to each other , I assume it was just an unfortunate mistake , and do n't think there was any truly malicious intent , '' said Tommy Vietor , Obama 's press secretary .

PROBLEM: Two counts of this stem from the crash of a helicopter that was fighting the fires, and the other from a separate incident when a third firefighter was seriously wounded while battling the flames.

SOLUTION: Two counts of this stem from the crash of a helicopter that was fighting the fires , and the other from a separate incident when a third firefighter was seriously wounded while battling the flames .

PROBLEM: Based on some statements, fewer than a thousand users do the maintenance and updating work.

SOLUTION:
Based on some statements , fewer than a thousand users do the maintenance and updating work .