Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: Product stopped working after second use. I brought it for my office and it was great until it just didn't turn on anymore. I didn't contact the seller for return because I threw.away all packaging related to the item. Extremely upset. Shipping was very fast.

I brought it for my office and it was great until it just didn't turn on anymore