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

Ex Input:
After birth, the cub was immediately taken into the arms of its mother.

Ex Output:
After birth , the cub was immediately taken into the arms of its mother .


Ex Input:
Mrs Thatcher's supporters have launched a campaign to get "I'm in Love with Margaret Thatcher" into the music chart alongside "Ding Dong the Witch is Dead".

Ex Output:
Mrs Thatcher 's supporters have launched a campaign to get `` I 'm in Love with Margaret Thatcher '' into the music chart alongside `` Ding Dong the Witch is Dead '' .


Ex Input:
In a Voice of America interview shortly before he was poisoned by a radioactive substance polonium-210, former Russian spy Litvinenko had accused Putin of ordering the murder of Russian journalist Anna Politkovskaya to silence her and intimidate other independent journalists.

Ex Output:

In a Voice of America interview shortly before he was poisoned by a radioactive substance polonium-210 , former Russian spy Litvinenko had accused Putin of ordering the murder of Russian journalist Anna Politkovskaya to silence her and intimidate other independent journalists .