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.

Example Input: This is not an accurate thermometer. Consistently get 96 degree readings. It shorts out frequently. Does not save last temperature. Very disappointing.
Example Output: negative

Example Input: Got this my 85 year old mother who has macular degeneration. She is able to read her books and daily paper as well as resumed her embroidery. Highly recommend.
Example Output: positive

Example Input: My son is really getting a lot from this. He is 7 years old and has been diagnosed with Autism. He doesn't care to color the pictures but he does all the other activities and you can really see it is helping him. Not to mention he is excited about going through the book. For something that has been so hard for him, it is as if he is gaining confidence just from reading and practicing what is in the book.
Example Output:
positive