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

Input: Consider Input: By signing the agreement , both sides agree to pull back their forces to pre-conflict positions .

Output: By signing the agreement, both sides agree to pull back their forces to pre-conflict positions.


Input: Consider Input: `` Immediately , I could see a group of soldiers , some standing , others sitting , along a sidewalk on the main street . ''

Output: "Immediately, I could see a group of soldiers, some standing, others sitting, along a sidewalk on the main street."


Input: Consider Input: He takes office at a time when NASA is busy with preparations for the return to flight of the space shuttle Discovery , expected sometime during the launch window of May 15 through June 3 , 2005 .


Output: He takes office at a time when NASA is busy with preparations for the return to flight of the space shuttle Discovery, expected sometime during the launch window of May 15 through June 3, 2005.