You will be given a definition of a task first, then some input of the task.
In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.

it worked great for a few months and then it suddenly stopped charging. it repeatedly bumps against the dock but never begins charging. the battery is now dead and it doesnt work anymore.
Output:
it worked great for a few months and then it suddenly stopped ...