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 got these cocoa cups based on my sister-in-law's recommendation.  It has a great flavor and is inexpensive.  Quite a good combination.  I'll be ordering more very soon.
Example Output: 5

Example Input: This batch was horrible.  Since most regular coffee were out of stock, I tried this one.  It tastes and smells awful.  Do not buy this flavor.
Example Output: 1

Example Input: I believe gerber may have mixed apricots with the peaches. It now has a sour after taste and my son hates it.
Example Output:
1