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: I liked reading the true relationship between two troubled teens. There could have been more details given on each situation. The book was somewhat sad throughout as well.
Example Output: Good Review

Example Input: I use these to replace the filters on our air quality monitor. They have done a good job and are just what we needed at half the price that is typically charged. Thanks. :-)
Example Output: Good Review

Example Input: Exactly what I was looking for to give as a Christmas gift. Fast delivery and an unbeatable price. Great value all around!
Example Output:
Good Review