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 was supposed to be brand new, but it's not. It had some marks on it. It could have been used as an old CD or cassette tape, not new.
Example Output: Bad review

Example Input: The book doesn't really give you what it says on the cover - &#34;10 quick tricks to make your dog eat like a dog.&#34; There aren't any great tips here at all. In short, if you're looking for some useful information from this book, don't bother. But if not, I still wouldn't buy it. It probably isn't worth the money being paid here. Just my opinion. :)
Example Output: Bad review

Example Input: I bought the case for my iphone 4s thinking it was going to be a little easier getting in and out of it. The rubber is like a cheap material that causes lint everywhere. It covers up an important part (like your button) when you try to press it. The charger broke within minutes after use, so not only does it don'thing but charge (mind blowing), it's also hard plastic. This can lead me to believe this isn't the most durable product at all.
Example Output:
Bad review