Instructions: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
Input: President Evo Morales indicated that the promoters of the incidents were "industrialists" and "oligarchists" who, "using external agents", claimed to halt the reforms that have been happening in Bolivia.
Output:
President Evo Morales indicated that the promoters of the incidents were '' industrialists '' and '' oligarchists '' who , '' using external agents '' , claimed to halt the reforms that have been happening in Bolivia .