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 should be more than an $18 speaker system. You will waste time and money.
Example Output: Bad review

Example Input: I bought this as a gift for my father who has been complaining about how hard it is to find his favorite brand in stores, so I'm happy that Amazon.com had them. The bottles were wrapped properly and look fresh. Thank you!
Example Output: Good Review

Example Input: I did not like the book. It was very boring. The character were undeveloped. The storyline just seems to have gone on and on.
Example Output:
Bad review