Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: This item came as advertised, in four parts. Two of these parts were flawed. Their zippers would not engage. The other two worked fine. I could send everything back but I did not want the hassle. I'm sorry to complain because these sleeves are such a good idea.

The other two worked fine. I could send everything back but I did ...