Instructions: 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.
Input: This is an excellent product. We always ran out of olive juice before we ran out of olives when making dirty martinis. Now we have a terrific source for great tasting olive juice and our dirty martinis have never been better!
Output:
5