instruction:
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
question:
I was sold this item only to learn, after opening the corresponding Web site necessary for eMarker function, that Sony was terminating the corresponding Web service in 45 days!!A great idea but no support.
answer:
Negative

question:
"Castle" is a wonderful book for children who have short attention spans. It provides adventure and re-affirms the laws of chivalry.
answer:
Positive

question:
Horrible toy for a my 4 year old son who is a batman fanatic... flimsy and not durable. Can not get the elevator to work properly always jams up. This toy won't last to long.
answer:
Negative