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. 

Example Input: I love, and use the empty containers for medicine/advil in my purse, desk, suitcase. Also line with felt to keep earrings. Perfect little size to disguise small valuables when traveling and LOVE the mints. Tiny and powerful without burning my mouth.
Example Output: 5

Example Input: Not always available at our local stores. I love them. They are especially good watching football games, with you favorite malt beverage. This is a good deal, and super fast delivery, too. The nuts were fresh and tasty, as always.
Example Output: 5

Example Input: My dog enjoys these treats in moderation.  Because they are dried, he seems to enjoy them less the more he eats them.  With water, the treats may be much more flavorful.  After having a fair amount, he starts to lose interest in them until he can drink.  This brings me to a question regarding serving size.  The container recommends 2-3 cubes per day for a medium breed.  The issue I'm having is that the size of the cubes is so very inconsistent.  Some bits are the size of a pea while others of a grape.  The rest are a variety of sizes in between.  Some consistency would be preferred.  Also, this product comes highly recommended for training because it is low in fat.  My dog certainly won't learn anything with just 2-3 of these per day.  Like most dogs, he is highly motivated by food so 20-30 treats is more accurate.  To make this possible, I have to dice them up into smaller pieces or shift through to find the little bits.  At least these treats are natural and thus healthier than some of the other options.  I just didn't expect to have to prepare them first.
Example Output:
3