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. 

Example Input: I have been searching for a natural lemonade drink mix that would actually taste good.  This is not one of them.  Did not like the the bitter taste of this drink mix. I can make my own fresh squeezed lemonade better than this stuff.  In the mean time I purchase Newmans Own ready made lemonade if I don't have the time to make my own lemonade.
Example Output: 2

Example Input: This was a weird drink - I had high expectations, but the flavor was just odd - it really did taste like fizzy Tang drink mix.  However, my kids really liked it, and I think it is a great alternative to junky soda, so I will most likely buy more - but not for ME to drink.  ;)
Example Output: 3

Example Input: From 6 month to 12 month, my son barely ate any solid food.  He was so picky.  We tried many different flavor from various brands and this was the only baby food that he'd actually finish the whole jar.  I didn't expect him to like this since it has very green vegetable scent to it, but I guessed it wrong. Now he is 18 month old and he is a pretty healthy eater.  His current favorite seems to be tofu, but he still loves corn, zucchini, brown rice and carrot which are the ingredients of this.  I highly recommend to try this baby food.  Also, Earth's Best makes not only the best baby foods but their toddler foods are fabulous as well.  My son doesn't really like any snacks from Gerber brand, but he likes most of the products from Earth's Best.  Their foods taste great(even for us adult) and so good for you too.
Example Output:
5