You will be given a definition of a task first, then some input of the task.
In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

Used it once. Charged it up FULLY took off for camping, by the time we got there it was at half charge and wouldn't even charge my phone. Didn't hold a charge, can't get it to power on. Never got it to work once and no response from seller.
Output:
negative