You will be given a definition of a task first, then some input of the task.
Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

I have never been more disappointed with an Amazon purchase in my life. How Amazon could charge $54.99 for this cheap looking plastic product is beyond my comprehension. I returned my the next day and purchased one of much better quality for a fourth of the amount.
Output:
Negative Review