instruction:
In this task, 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.
question:
The book came even with the stink of the previous owner, dirty, the opposite the spine of the book white pages were so dirty it look like the previous owner never wash their hands. The spine were cut with a knife
answer:
negative

question:
Don't waste your money on these. Sound quality is good for the price, but the headband broke within a month. I am extremely careful with my electronics, and barely even used these things... maybe a dozen or so times before the headband broke. Too bad, I thought I finally found a quality pair of BT headphones at a decent price.
answer:
negative

question:
i used it for four days and it worked as promised. On the fith day i went swimming and at some point later on the fith day the controller popped out of the wrist band and is lost. I did not do any thing different on the fith day other than swim. Very poor design. I am now out 50 bucks. .
answer:
negative