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

Input: Consider Input: 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.

Output: Positive


Input: Consider Input: 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.

Output: Positive


Input: Consider Input: This portable heater is good for use in your office, den or sleeping area..It is quiet and efficient,and is good for spot heating...please keep away from drapes or rugs,and small children,who might mistake this heater for a toy...Otherwise this is a good deal...Mine came with a remote to adjust setttings more easily...4 star rated...


Output: Positive