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: Nice book, the only thing I didn't like about it was that each time a new topic came up throughout the first 30 pages or so we learned more than needed and it wasn't very interesting. It also gets a little boring around page 100 but does pick up. If you think you're going to take pictures of every bird in a local neighborhood, buy several books on your own first, this book is an okay one for that.
Example Output: Good Review

Example Input: I found nothing of interestin these pages. It seemed like the author went off on some tangents and would not leave me with any clear picture about her life. She was a very self absorbed person. Her husband should be ashamed he wrote this.
Example Output: Bad review

Example Input: Bought this doll for my granddaughter.
Example Output:
Good Review