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.

Whale naturalist and animal communicator Mary Getten goes beyond what other research has achieved in the way of whale study and communication processes: in 1991 she studied the J-Pod, a family of whales off Washington State. Her contention that they use direct telepathic communication between themselves and can do so with humans also makes for fascinating reading.Diane C. DonovanCalifornia Bookwatch
Output:
Positive