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

Example Input: why am I being asked to review a product I didn't purchase. Need to fix the system or allow me to delete the request.
Example Output: Negative

Example Input: While this movie was not "highly acclaimed" when it was released, back in the late 1960's or early 70's "I think," I have always like it and watch it about once every two or three years. It is the kind of movie that you never get "fully bored with."On a scale of 1-5 stars, I give it only four (4) stars, since it is one of those movies that many "action junkies" would not like; even-though, it actually has quite a bit of "lower key action" and beautiful phototgraphy to support it.My bottom line is: "If you liked Dr. Zhivago then you will, or should, like Ryan's Daughter."
Example Output: Positive

Example Input: I bought this for my 4 year old daughter for her birthday. She loves rockets and I thought she would enjoy it. The pump is total junk and could not even pump enough pressure for a single flight before it broke. I spent an hour trying to fix it and the highest I've gotten the rocket to launch is a couple feet! This resulted in my daughter crying and the rocket getting thrown away. Do not buy this one!
Example Output:
Negative