You will be given a definition of a task first, then some input of the task.
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.

They didn't work. I'm pretty disappointed with my purchase of this product. I have another pair that we like just as well and it cost less.
Output:
Bad review