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 was perfect to use on our boat during a vacation.
Example Output: Good Review

Example Input: This product is great for adding a very pleasant color to your home. I love using the product. It does smell like lavendar but so does lavender. So far it's been great. The diffuser lasted two weeks with regular use. I'm happy and you will be too. Thank you.
Example Output: Good Review

Example Input: Poorly written book. It gives very little description about what is happening in their marriage, but more on how their marriage had turned sour.
Example Output:
Bad review