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.

product was delivered very quickly, however the board itself was really bulky on both sides not flat or even at all which makes it difficult to write on. I wouldn't buy this product ever again.
Output:
product was delivered very quickly, however the board itself ...