Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: The potency of this product was very weak. I was disappointed. It did not do well killing off fleas on my small dog nor did it do well preventing more fleas from biting her. I had to switch to a different flea prevention product.
Output:
I was disappointed. It did not do well killing off fleas ...