TASK DEFINITION: Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
PROBLEM: Felt great until it dug into my waist while sitting causing damage to my surgical site. Now I'm in pain with and without it on.

SOLUTION: Negative

PROBLEM: By something else. This is the worst piece of machinery I have ever bought. Virtually impossible to cut any size tile on the diagonal. Typical imported junk!!!!!

SOLUTION: Negative

PROBLEM: Little different then I was expecting but really good quality and exactly as advertised, fast deliver an great service, thanks

SOLUTION:
Positive