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'm so dissapointed these are unavailable right now! I LOVE these crackers with cream cheese - it's my favorite snack! I hope they become available again soon! I can't find them anywhere!

Ex Output:
5


Ex Input:
I really like the frozen Corn Muffin Tops, but the mix resulted in a dryer product. I used the paper muffin liners and I think these might have added to the dryness.

Ex Output:
3


Ex Input:
He never has enough juice left over from his jar of olives, we therefore end up with more olives then we can eat, just buying the juice makes alot of sense.

Ex Output:

5