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.

Ex Input:
this book is one chapter per chapter. and it says each chapter.its only 10 pages long. don't buy! waste of money. i want my dollar back amazon! if you can't get any better than this! shame on you! no wonder the price is so low! it sucks so much.

Ex Output:
Bad review


Ex Input:
If you're looking for a water softener to reduce mineral build up in your water, this is the product you want. I have used RO systems before, and there isn't a whole lot difference between them.

Ex Output:
Good Review


Ex Input:
I really liked this movie. The story was a little predictable but with time watching it had lots of suspense and surprises. It kept you guessing.

Ex Output:

Good Review