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 filter is perfect for me.
Example Output: Good Review

Example Input: The story started out well for an erotic novel and got more interesting until the end. It just became a book of sex then love story. So I am in no hurry to read any more. Sorry!
Example Output: Good Review

Example Input: It broke before i even got it! :( i am VERY unhappy with this product.dont do it. Dont buy it. & lt;3 NOT A GOOD PRODUCT AT ALL!!!
Example Output:
Bad review