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.

This battery is of poor quality, from August 2017 to December 2017 this battery has finished.It takes forever to charge and then discharges in roughly 20 minutes.I wouldn't recommend that any one purchases this battery.
Output:
This battery is of poor quality, from August 2017 to December 2017 this ...