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

My husband and I didn't have time to attend an 8 hour birthing class at the hospital, so we opted for this video. It was very informative and helped us understand what was happening when we went to the hospital. It was a little cheesy, but definitely worth getting.
Positive

A thrilling story of get rich quick without scruples. It introduces the reader to excellent characterizations of the individuals involved. There is excitement through unusual circumstances including an extremely imaginative ending.
Positive

While working on an on-going university research project I have spent five years driving the back roads of India. This book has saved my sanity as well as my tires and axles. It is by far and away the most helpful road atlas available.
Positive