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

[EX Q]: An investigation has begun to try to establish whether the icy and snowy weather conditions were a factor in this collision.
[EX A]: An investigation has begun to try to establish whether the icy and snowy weather conditions were a factor in this collision .

[EX Q]: Court documents set a scene in which 36-year-old Semrau was in charge of a small group of soldiers caught in an ambush on October 19 last year.
[EX A]: Court documents set a scene in which 36-year-old Semrau was in charge of a small group of soldiers caught in an ambush on October 19 last year .

[EX Q]: "What I know is the death rate has gone down drastically since early May."
[EX A]:
'' What I know is the death rate has gone down drastically since early May . ''