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:
It looks pretty, but the contents are very minute and seem to not be of very high quality. There's a plastic cup for the tea that looks like it came from a dollar store. The basket is nice, though.

Ex Output:
3


Ex Input:
I ordered this as a christmas present for my Daughter and Son in law. He tried it the day after Christmas and gave it 2 thumbs up.

Ex Output:
5


Ex Input:
Salt and vinegar chips are definitely my favorite type of any potato chip. These ones made by Kettle were very tasty and I enjoyed them thoroughly. I just wish there was a more healthy option with the same great taste.

Ex Output:

4