Instructions: 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: Noise cancellation is terrible. If you are doing any activity you can hear all the background noise. They are however comfortable in the ears and come wuth different sizes to fit. The sound is quite good and so is the bass as long as you arent doing anything loud
Output:
1