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.

Does not work on eyes or stained fur-a total waste of $15. I think it is shameful for you to market this product as a fix for tear stains. I only wish I could return it. I feel cheated.
Output:
Does not work on eyes or stained fur-a total waste of $15