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

Q: This book it simply one of the best science fiction stories ever written. It should be on the "must read" list for any sci-fi fan.

A: Positive
****
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: heart is still beating after all these years. yes, they did have hits in the '70s with magic man, dreamboat annie,baracuda,straight on,and dog and butterfly. yes, by the early '80s, they didn't have anymore hits,but that's how the music business goes. yes, by 1985,they were ready to strike again. yws,they did have 4 top 10 hits from this great album.those hits were what about love(#10),never(#4),these dreams(#1),and nothin' at all(#10). yes,this album did hit #1 and sell in the millions. does that answer all of your questions? yes,this review is over. thank you and have fun. ed wilson

A:
Positive
****