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:
Maybe these a better when they're very fresh.  You could ruin dental work if not careful chewing these.  They taste great.

Ex Output:
3


Ex Input:
first, the good news:  YES, these are really good. the bad news: They are loaded with monosodium glutamate Of course, this wasn't listed on Amazon as one of the ingredients. This is a good item if you're not sensitive to MSG-- Now I have to go to the 7-11 and buy the fried pork rinds to feed my addiction.

Ex Output:
1


Ex Input:
We love to make Hummus, and love to make sandwitches, salad dressings. One of our kids favorite foods is Tahini over cold Undon Noodles.

Ex Output:

5