instruction:
Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.
question:
This is a great product for the Mac. They enhance the sound just the way I needed them to. I would definitely recommend these to friends and family.
answer:
Positive Review

question:
Best choice in a case I could have ever made. Fit is perfect, feels soft to the touch and works as advertised.
answer:
Positive Review

question:
I have received two of these and neither of them have worked....
answer:
Negative Review