Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Q: I bought these. After two uses (the first being a french vanilla cake, and the second fudge brownies), they stained from the brownie batter and will not come clean. I figured these would be better quality, since they ARE kitchen aid.

A: Negative
****
Q: Reasons not to buy this video:1. She reads from cue cards the entire time.2. She's extremely stiff and boring.I have only watched this video once in the two years that I have owned it.

A: Negative
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Q: We rented the video and then went out and bought it. It's entertaining and fun for both kids and adults. If you like Martin Short, there are a couple of scenes that are really worth seeing.

A:
Positive
****