TASK DEFINITION: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
PROBLEM: Democrats Hillary Clinton and Barack Obama were also campaigning in the state on Thursday.

SOLUTION: Democrats Hillary Clinton and Barack Obama were also campaigning in the state on Thursday .

PROBLEM: The race ended on a caution after a massive crash between drivers Mike Conway and Ryan Hunter-Reay, when Conway's car got caught onto Hunter-Reay's left outside wheel and was sent airborne.

SOLUTION: The race ended on a caution after a massive crash between drivers Mike Conway and Ryan Hunter-Reay , when Conway 's car got caught onto Hunter-Reay 's left outside wheel and was sent airborne .

PROBLEM: Officials will testing the water runoff from fire hoses to make sure that it is not contaminated as it is emptying into the Niagara River.

SOLUTION:
Officials will testing the water runoff from fire hoses to make sure that it is not contaminated as it is emptying into the Niagara River .