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.

Q: when you see our mother , i want to know a day in advance , so i wo n't be there .

A: when you go to your mother , i want to know in advance .
****
Q: hey , callaway 's doubled her task force .

A: hello , callaway doubled its strength .
****
Q: knocking the attackers back , he shot up the stairwell and called down to me from the uppermost railing .

A:
he dropped his attackers , hurtled up the stairs and called me down from the top rail .
****