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

Ex Input:
Ordered two and tested them out: one had a bad pump but the return was easy.These airbeds are super cheap and great. Everyone who has slept on them says they are extremely comfortable. They hold the air well. I recommend them very highly

Ex Output:
Positive

Ex Input:
It does an excellent job on mildewed wood such as decks and deck furniture without using chemical mode which is the only weak link in an otherwise strong chain. Unfortunately, the only effective chemical solution is chlorine which acts more or less on its own but cannot be used with this machine. Safe cleaners, such as Simple Green are no more effective than when used without them. Other than that, it's a great product.

Ex Output:
Positive

Ex Input:
Prospective purchasers should note that this dvd is the dubbed version where American actors replace the Australian actors on the soundtrack. I understand that the decision to overdub the part was done when the movie was first released in the US (an Australian friend recalled his shock at the dubbing when he saw it in a US cinema at the time) but I would have thought that the studio could have dug up the original Australian version and released that instead. Because of this irritating and pointless feature of an otherwise fine movie (the best of the Mad Max series), I can only rate the dvd 2 stars.

Ex Output:
Negative