You will be given a definition of a task first, then some input of the task.
In this task, given a sentence in English Tokens, your task is to convert it into the English language

Several senior Russian politicians have said that the deaths of Politkovskaya and Litvinenko were playing into the hands of Russia 's enemies and , therefore , could not have been authorized by Moscow .
Output:
Several senior Russian politicians have said that the deaths of Politkovskaya and Litvinenko were playing into the hands of Russia's enemies and, therefore, could not have been authorized by Moscow.