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.

Input: Consider Input: if we 're going to create an accurate map ... we 'll need precise measurements of the sphere 's gravimetric fields .

Output: if we want to build an exact map , we 'll need to detail the values of the gravimetric field of the sphere .

Input: Consider Input: good-bye , mr. whitfield . - i hope i 'll see you when i come down .

Output: i hope i see you again .

Input: Consider Input: by daylight , the first three steps looked less like stairs and more like jumbled rock .
Output: in the day 's light , the first three steps looked more like a lump of irregular rock than the start of a stairway .