You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

I love Ostrim Natural Flavor and used to buy it at local deli and/or GNC, decided to buy on amazon to save money. But this one taste dry and old, like its past its expiration date or something. I was looking for the expiration date on the box and found none
Negative