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. 
Q: I bought this product last week for our dogs, within a day both were vomiting and refusing food. Our larger dog is doing ok since we stopped feeding them but our little guy is not. Taking both to the vet tomorrow along with these treats.
A: 
1