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: i dont think its working i saw nothing no changes while using this.maybe im expecting too much.ill give some more time then i'll try anything else. oh well live n learn.
Example Output: Bad review

Example Input: Purchased this for a gift and my son loved it. Only complaint is that you have to put in the batteries but other than that, it works great right out of box. Great idea by KidDoh, we would definitely purchase again. Love these things! :)
Example Output: Good Review

Example Input: It started out pretty good before it just went to fast,with no build up for any kind of love or passion.
Example Output:
Good Review