Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: The shampoo was extremely thick and was missing about 20%, which led me to believe it was old. I contacted Tigi, the manufacturer, and they informed me they have not made this product in over 8 years, since they were bought by Unilever. In addition, they suggested I throw it out. This product should not be for sale.

The shampoo was extremely thick and was missing about 20% ...