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

Q: This video is fine for ballroom dancers, but it has nothing to do with the authentic Argentine Tango. Even ballroom dancing has now a separate category for Argentine Tango. Unfortunately, this video is not that. That's why, I rate it at 1.

A: Negative
****
Q: Bought at Home Depot for $199. It is a toy, not suitable for serious work. Flimsy contruction, difficult or impossible to adjust. Recommend getting a brand name.

A: Negative
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Q: its is unclear rather this really works with G4 Powerbook. the connector that plugs in to the powerbook fits , but the connection itself is unstable and easily disrupted by just a little wiggle or touch of the cable or connector. If you are looking for a replacement cable go with Apple branded. that one works .

A:
Negative
****