Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

[EX Q]: While Jawbone make a great blue tooth ear bud, it doesn't interface with ears well. The Jabra solution doesn't work. It doesn't hold the ear bud well allowing it to fall off at the most inconvieniant times. It also hurts your ear and is difficult to insert. It's not the answer, friends.
[EX A]: Negative

[EX Q]: Well, this was a perfect ending to a long busy day. I ordered the movie under the Tucson Sun to sit back and relax. It was very very enjoyable. I'm saying all this in a long-winded way because this review requires I write 20 words. This is actually kind of a pain because I am turned off about writing anything about these. But it was a fine purchase.
[EX A]: Positive

[EX Q]: Don't waste your money on these. They don't grind well at all. I just bought celtic sea salts and got rid of my table salt and was very disappointed as these just don't grind the salt or pepper. I have to go buy another set and hope they work.
[EX A]:
Negative