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: Consider Input: My favorite group of all. If you are true fan then this cd is must own in yourmusic collection.

Output: Good Review


Input: Consider Input: Got exactly what I ordered.

Output: Good Review


Input: Consider Input: This "biography' should only be offered via e-book (or another digital source).


Output: Bad review