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.

I have been doing aroma therapy for 2 decades and this is an incredible quality essential oil. I really enjoy the way this lemon oil invigorated me. Great for apothecary and diffusers, even just smelling the bottle cheers me up.
Output:
positive