Given the task definition and input, reply with output. 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.

I was happy when the book got to my house however after a couple of pages in two or three tears had already appeared on each page. There were also smudges and indentations so it's hard for my child to read because he can't see what he's supposed to. This product is not worth it.
Bad review