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

Example Input: This movie is pointless and stupid. The acting and camera work sucks. The story is sesame streetish and moronic. Stay very far away from this one.
Example Output: Negative

Example Input: Experienced no problems with the order. The book came within the estimated delivery date. The book matched the description given.
Example Output: Positive

Example Input: Needed place for kids to sleep while visiting grandma and now they argue over who gets to sleep on the air mattress. Both think it's more comfy than their bed at home.Would have given 5 stars, but the bag it comes with to put it in is worthless, no chance of ever getting it in there again.
Example Output:
Positive