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: Excellent video quality. It is nice to be able to leave my laptop in charging dock while watching tv from bed.
Example Output: Good Review

Example Input: There's enough great live songs online for free.
Example Output: Bad review

Example Input: I bought this book to study for the Praxis II PMP exam....it does not tell you what each test is all about... There were several questions which had me questioning myself a bit, because they just seemed so out of place... As well, there are some grammar mistakes on how their examples work...Also, while going through this, one day late at night when trying to answer my review questions...
Example Output:
Good Review