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.

Example Input: All but 3 flavors were nasty!! The only good part about these are the fact they do NOT contain any artificial sweetens. But other than that, it's gross.
Example Output: Bad review

Example Input: This was my first experience with a new product, and I was not impressed. The coffee did not taste much different than the average Starbucks coffee, even though it cost 2 dollars more per pound then Starbucks. I'll stick to making the 10 cups at home in an Espresso machine, which is quick since it's less costly for me and better tasting every day. Next time around, I'm paying 3 bucks worth of premium beans and get some good crema.
Example Output: Bad review

Example Input: This ebook is almost 100% fluff, with no scientific basis for anything.
Example Output:
Bad review