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

Input: Consider Input: I bought this from the same co. before christmas and was stunned that the price had doubled. On the page the price was not clear!

Output: Negative

Input: Consider Input: What am I reviewing here... this gizmo or the supplier, Eforcity? I never received this product after my order! After waiting and waiting I contacted Eforcity several times -- no reply. After a nasty letter from me Eforcity'r reply feigned lacking information about my mailing address!What a cop-out.I told them I would not pay for it, so Eforcity said they'd give me a refund, which has not come to me yet. I bought another product to replace this from Amazon which arrived quickly from Amazon.

Output: Negative

Input: Consider Input: This is my 3rd pressure washer and by far the best of the breed. It is solid piece of work that is easy to move about when doing the deck(s)with wheels that actually work. Santa gave me the one with the roll-up hose which is very nice feature. Only problem was that the User guide didn't have any information on this feature so I spent a few minutes trying to figure out where or how to connect the high pressure hose to unit- Guess What? - No need to connect anything except garden hose. I consider this tool the best buy for your $$$$
Output: Positive