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: This book is a collection of two books, so you basically get the first half for free and have to buy the second one because they are not in order. This makes me quite angry. It should be stated immediately that this isn't just an inconvenience. For example, if I want to know some information about how to implement data encryption with Mailvelope, I'll look it up online using [...] first, then try again by finding the URL with mailvelope.com/learn? And that's it.
Example Output: Bad review

Example Input: I'm not sure where to go wrong with this review. The first time I put it on my Nexus 7. It is too small, but the second time, it stretched out enough that you could tell its there. When you stretch the thing, it loses contact and stops working. Not worth trying again. Went back to Zagg, who also made an excellent product. This one just does a bad job. Save your money!
Example Output: Bad review

Example Input: The title says it all. Not a big fan of it. I think this would be better done for kids. For older teens maybe. It was okay but not my cup of tea. Sorry.
Example Output:
Bad review