Detailed Instructions: 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.
Q: The sound quality is great and it blocks out all external noise really well. When you turn on either one or both earphones, nothing but ambient noise!As for comfort while using headphones; it's great.
A:
Good Review