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 Q]: if we 're going to create an accurate map ... we 'll need precise measurements of the sphere 's gravimetric fields .
[EX A]: if we want to build an exact map , we 'll need to detail the values of the gravimetric field of the sphere .

[EX Q]: the day of the resurrection is upon us .
[EX A]: the day of resurrection has come .

[EX Q]: but greed is the only snake that can not be charmed .
[EX A]:
but greed is a snake without charm .