Definition: 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.
Input: This is the second time I buy a book from amazon. The first was this one, and it had horrible page numbers, typos, etc... But after reading that book, I've decided never to try buying another.
Output:
Bad review