Given the task definition and input, reply with output. Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

For some reason the makers of this item thought it would be wise to make each size ear piece fit a different bluetooth. The small fits my Jawbone, but does not fit my ear. The large fits my ear just fine, but does not fit my Jawbone. Save your money and find a different product.

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
Negative