In this task, you're given a review from Amazon's food products. Your task is to generate a rating for the product on a scale of 1-5 based on the review. The rating means 1: extremely poor, 2: poor, 3: neutral or mixed, 4: good, 5: extremely good. 

Ex Input:
The name of this coffee is Mahogany, in my mind a deep rich brown. The coffee flavor is deep and rich, and the color is dark brown. It is delicious.

Ex Output:
5


Ex Input:
We've only used this once, but it kept us awake most of the night.  We were surprised because it's decaf, but we couldn't sleep for hours after going to bed.  Tastes good, though.

Ex Output:
3


Ex Input:
INGREDIENTS: SUGAR, GLUCOSE SYRUP SOLIDS, COCA (PROCESSED WITH ALKALI), PARTIALLY HYDROGENATED VEGETABLE OIL (MAY CONTAIN COCONUT, SOYBEAN, SUNFLOWER, PALM AND/OR CANOLA), NONFAT DRY MILK, MODIFIED WHEY, MALTODEXTRIN, SALT, NATURAL AND ARTIFICIAL FLAVORS, CELLULOSE GUM, SODIUM CASEINATE, CORNSTARCH, LACTOSE, DIPOTASSIUM PHOSPHATE, SUCRALOSE, MONO- AND DIGLYCERIDES, SILICON DIOXIDE, SOY LECITHIN, ARTIFICIAL COLOR. CONTAINS: MILK AND SOY  People, please read labels....

Ex Output:

1