Given the task definition, example input & output, solve the new input case.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Example: I've read this book with much expectation, it was very boring all through out the book
Output: Negative
Review writer does not like the book because it was boring, therefore it is a negative review.

New input case for you: This toy was not that difficult to put together, but we have to put it back together each time my son plays with it. The set is always falling apart. The elevator broke after the first day. My friend bought this for her son as well, and she is just as frustrated as we are. I would not recommend buying this unless you have hours to spare re-assembly it and keeping up with all the parts that contiunally fall off it. [...]
Output:
Negative