TASK DEFINITION: This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.
PROBLEM: they did not speak again until they had reached the end of the tunnel .

SOLUTION: they did n't speak a word until they reached the end of the corridor .

PROBLEM: figured maybe the marines would back off , for , you know , what happened before .

SOLUTION: he thought maybe the soldiers would back off for the last minute , as it had happened before .

PROBLEM: and we must start on stand-by water facilities at once .

SOLUTION:
and we have to get into the reserve water facilities immediately .