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.

[EX Q]: This makes the best tortillas.  That is about all I use this for, so it lasts me awhile. Mine cost about 1/2 the price as listed here, but it was on sale where I bought it too.
[EX A]: Positive

[EX Q]: I baught this kind of cereal from Wholefood. Since this was the first time I tried this brand, I picked 3 kinds: multi-grain, oatmeal and brown rice. Oatmeal was all right, but the other two smelled like they were already stale(the expiration day is May 2013), and they tasted bad too and sticked on my throat when I tried them. My baby cried and refused to eat them. The customer service of Wholefood was very nice and refunded me. I don't think I will buy this brand of cereal again.
[EX A]: Negative

[EX Q]: I decided to deter from my usual brand and try this.  I like a strong green tea but using the same measurement I usually use with this brand was so weak I might as well have just used the entire container.
[EX A]:
Negative