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:
These chips taste awesome. And unlike most other flavored chips, they actually make sure that plenty of the flavory salty goodness gets on each individual chip. Just don't pass gas near any pretty ladies after consumption. They'll totally know it was you.

Ex Output:
5


Ex Input:
I've tried it with both my cats, several times. Every time they eat this, and other Whiskas Temptations products, they vomit within minutes. They LOVE it, they WANT it, it's CHEAP but it makes them puke, so, I'd consider this a bad purchase.

Ex Output:
1


Ex Input:
The pockets work good for holding the pills (i have several) but some of them fell apart - to help prevent it i put them into the refridgerator! Delivery was fast and effective.

Ex Output:

3