In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

Q: My 3 year old loves this piano! It is so fun and the microphone is a great bonus! Lots of musical options to use when playing with this adorable piano!

A: positive
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Q: I’ve been having knee pain for the past few months so I decided to try this support brace. I can’t believe how much support it does provide and my knee pain has gone down significantly. It’s slim so you can wear it under pants while at work but also looks fine with shorts. So glad I found this and it is helping with my knee pain!

A: positive
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Q: Amazing superfood gives me energy I need to maintain without jitters or crashing. Plus so many benefits, I highly recommend as part of daily regimen. This is one of best kept secrets that people need to know about.

A:
positive
****