In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.

[Q]: Changing review rating. All of sudden just stopped working. Purchased in December 2017. It's only April 5, 2018 now. For the price I paid, it should have lasted. I don't even know how to contact seller. The window for return came and went.
[A]: Changing review rating. All of sudden just stopped working ...

[Q]: Rollers(wheels) don't really roll on hard surfaces, rather end up dragging around long clean and unlock ineffectual! If weren't so heavy to ship back, I would have!
[A]: Rollers(wheels) don't really roll on hard surfaces, rather end ...

[Q]: I like this sweater but the sizing is on the large size and the color looks nothing like the picture. Not very satisfied with this purchase.
[A]:
Color doesn't match the picture and it fits larger than sizing.