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: why would we not want to help each other ?

Answer: why should n't we help ?

Question: i just got some fresh weed here , want some ?

Answer: i got a little fresh grass here , si ?

Question: you chose the wrong friends . this time , it will cost you .

Answer:
you chose your friends wrong .