Given an English language product review, determine if it is a Good Review or a Bad Review. A good review is one where the product's review has positive tone and Bad review is one where the tone of product's review is negative.

This machine is really good, but not without some problems. While the noise it makes does a lot to mask other noises, our cats definitely do enjoy this thing. It also helps keep them calm, which in turn, brings us much peace of mind. However, sometimes you need your hands free for something else -- like getting the cat out from between the mattresses.
Good Review

After waiting several weeks to receive this, this does NOT work. At all...It's just more of yet another. Very disappointed. Wish we'd read up on other reviews before ordering.
Bad review

This story wasn't bad by any means.
Good Review