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: Tastes like pine needles!!! I've had other earl greys before and never have I thought I was drinking pine needle tea (Another reviewer said it was a bergomot flavor, i'm not educated enough to know)...  I bought this for my wife who can't have caffeinated varieties, and I can say i'm not a big fan.  The English Breakfast decaf is EXCELLENT.  I prefer my tea black, hot or cold, but this earl grey is not tolerable unless drank with a splash of milk and sugar (splenda for me though). It is undrinkable as iced tea.  I'd return this if i could. Avoid this at all costs, young jedi.
Example Output: 1

Example Input: I ordered this for gifts around Christmas time. I actually was hoping to use it for our Christmas day meal. Two out of the four jars I ordered were rotten and inedible. I never did get to try it and I was very annoyed and disappointed!
Example Output: 1

Example Input: I originally found these at a Target out of my home town. I fell in love with them as part of my Weight Watcher's plan. They are a good snack alternative when I crave something salty. I could not find them where I live so I purchased them from the Pop Chips web site which took me through Amazon. Yummy!
Example Output:
5