Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: I bought two of these cupcake tiers and have used both two times since I've had them and one of them had already broke. One of the screw parts on the stand had already lost its threading. Both tiers itself do not stand straight as is and isn't sturdy.
Output:
Both tiers itself do not stand straight as is and isn't sturdy.