instruction:
In this task, given a sentence in the English language, your task is to convert it into English Tokens.
question:
All this was to mark the Battle of the Atlantic, which was a series of naval battles fought from 1939 to the end of the second world war.
answer:
All this was to mark the Battle of the Atlantic , which was a series of naval battles fought from 1939 to the end of the second world war .

question:
The victory of Olympiacos over AEK, 3-0, angered the supporters of AEK, which is believed to be the catalyst for damage in both the stadium and the ship.
answer:
The victory of Olympiacos over AEK , 3-0 , angered the supporters of AEK , which is believed to be the catalyst for damage in both the stadium and the ship .

question:
For much of the 2010 MLB season, Piniella's 90 year-old mother has been ill.
answer:
For much of the 2010 MLB season , Piniella 's 90 year-old mother has been ill .