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.

Ex Input:
they did not speak again until they had reached the end of the tunnel .

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

Ex Input:
that depends on how one reacts to human suffering .

Ex Output:
but that depends on how you feel about human suffering .

Ex Input:
'' i do n't know , '' mark gasped , bent over with his hands on his knees .

Ex Output:
'' i do n't know , '' mark gasped , leaning against his knees .