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

[Q]: We had to buy a new lunchbox for our son after 2 months (a different brand, machine-washable) because this one is way too hard to clean. I have turned it completely inside out, scrubbed between all the cracks, and still food is stuck in the seams andthreads. It is very durable, but we can't get rid of the smell or stains with a reasonable amount of effort.
[A]: Negative


[Q]: By something else. This is the worst piece of machinery I have ever bought. Virtually impossible to cut any size tile on the diagonal. Typical imported junk!!!!!
[A]: Negative


[Q]: Don't bother wasting your money. This book is slow and goes nowhere fast. I could not even finish the book.
[A]:
Negative