Detailed Instructions: In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.
Q: This unit would be good if the internal fan wasn't defective. Not sure if it's a cheap quality fan but it's whirring really loud like it's going at 1 million RPM or something. Worked fine for a month with low noise but now I'm afraid that the fan is going to cause some issues so we can't leave it plugged in especially if we leave the house. It could catch fire or something.
A:

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