Definition: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
Input: The United States military Strategic Command (STRATCOM) has said that the 'fireballs' spotted over areas of Texas in the United States on Sunday February 15, are not related to the collision of a U.S. and Russian satellite in space.
Output:
The United States military Strategic Command -LRB- STRATCOM -RRB- has said that the ' fireballs ' spotted over areas of Texas in the United States on Sunday February 15 , are not related to the collision of a U.S. and Russian satellite in space .