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.

Example Input: A little instructions would help. Initially I added the plastic tip in the back. No go. Finally tried on front and they flew better. Go a good 20 feet before going to ground. But perfect distance for little ones These were bought for our Twp kid fest this weekend. I am sure the little ones will love getting these. For the price it's perfect
Example Output: 5

Example Input: two of 4 cameras never worked tried to work thru complaint channels and direct email with no response! since received no one has ever responded from direct email or amazon email! Just went to ask for return and see there was a closed return window! Will take up with credit card and amazon direct since have proof of contact.
Example Output: 1

Example Input: I really like this item.Everything needed right on your lap and held at the right angle.The sofa holds the iPad well and the pillow is reasonably sturdy. Love it
Example Output:
5