Instructions: 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.
Input: Do NOT WASTE your MONEY! These DO NOT WRITE !!! Yet alone glide like they are supposed to do!!! Absolute junk! I’m actually wondering if his company selling some type of knock off . These are the worst pens I’ve EVER tried to write with. And here’s the best part.... They DO NOT accept returns !! Lol! Imagine that. What a surprise. If I were Amazon I wouldn’t even allow them to advertise and sell on this website it’s not fair to the people that trust Amazon products.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
1