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.

Q: I have ordered Breakfast Blend over the last three years. The last order I received through Amazon was just awful! Bitter, burnt, undrinkable.....what are they doing to my once favorite coffee??

A: Negative
****
Q: I have tried various brands of stevia, but I always come back to NuNaturals. I buy the 12 ounce container because I use it to sweeten everything. If you have a sweet tooth as I do but don't need the added pounds, then this is the ticket for you. I drink a lot of tea, and this is my sweetener. A lot of other stevia brands leave a bitter after taste, but this is the best that I have found to resolve that problem. Highly recommended.

A: Positive
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Q: I got coffee grounds in my cup 4 out of the 5 times I used these. Very disappointed because I would like to use my coffee. The hole punctured in the bottom is larger than the one punched out with the regular K-cups, probably due to the design on the bottom of the cup. I have to flush the system each time I have used this product, wasting time and water.

A:
Negative
****