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

Input: Consider Input: NASA has held a memorial ceremony to mark the fifth anniversary of the Space Shuttle Columbia disaster.

Output: NASA has held a memorial ceremony to mark the fifth anniversary of the Space Shuttle Columbia disaster .

Input: Consider Input: "Even though the 2010 season seems to be one with low activity, emergency officials are still stressing safety and awareness to residents in hurricane-prone areas."

Output: '' Even though the 2010 season seems to be one with low activity , emergency officials are still stressing safety and awareness to residents in hurricane-prone areas . ''

Input: Consider Input: It quoted Micah Brose, a privately contracted interrogator working for the US military there, as saying that information on Iran is "gold".
Output: It quoted Micah Brose , a privately contracted interrogator working for the US military there , as saying that information on Iran is '' gold '' .