In this task, you're given a review from Amazon. 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, 4: good, 5: extremely good.
Q: STALE! Hard as a rock! Do not buy these! I order these once a month and twice so far the package has been old. And the worst part is the item is not eligible for return.
A:
1