Definition: In this task, you're given a review from Amazon. 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, 4: good, 5: extremely good.
Input: It's ok. I like my old Oral B one better. I am actually going to switch back. I feel like my teeth still feel grimy after brushing even if I extend the time beyond the two-minute brush time. I also didn't enjoy all the different settings.
Output:
2