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.

Very disappointed with the quality of this product. The unit I received cannot be assembled per the instructions because the bolt is too short (as noted in other reviews). Makes me wonder if the manufacturer ever tried to assemble one before selling it on Amazon.
Output:
Very disappointed with the quality of this product