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.
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Question: he took one step toward it , then sank to his knees .

Answer: he stepped to her and fell to his knees .

Question: not at this velocity and this distance .

Answer: at least not at this speed and for that distance .

Question: as i drove back towards town , i took inventory of my prospects .

Answer:
on my way back to town , i discussed my prospects .