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. 

Ex Input:
I just bought the Emril k-cups and have used about 12 of them and half if them exploded in my kurig machine.  It was such a pain and waste of money because I enddd up throwing them away and using. another k-cup because the coffee was full of grindes.  And I cant even write to the seller yo complain!

Ex Output:
1


Ex Input:
Why in the world would Amazon want to sell an item and say can be ingested,  when it clearly has ingredients that can cause cancer. Wish every state would wake up like California and ban all these cancer causing things.

Ex Output:
2


Ex Input:
This product is a quick snack very light and tasteful with any spread or just like it is. Takes up hardly ay space if a couple of packets are placed in your bag. Individually wrapped crackers makes it stay fresh for longer periods.

Ex Output:

5