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]: one thought that will grow until it 's consumed you completely .
[A]: the only thought that will grow until you fill it up .

[Q]: he had saved mrs. lestrange from having to give evidence at the inquest .
[A]: he saved mrs. lestrange saying she did n't have to give evidence in a court investigation .

[Q]: the young rats had carefully moved aside , leaving one looking very , very alone .
[A]:
the young rats cringed carefully , leaving behind a single rat that suddenly looked very , very deserted .