You will be given a definition of a task first, then some input of the task.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

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