Q: In this task, you're given a review from Amazon and your task is to generate the name of the category of the product based on the review given by the user. The categories are: kitchen, office product, watch, wireless, other, toy, digital video download, camera, jewelry, pet products, sports, industrial supplies, baby product, grocery, drugstore, home improvement, pc, shoes, automotive, digital ebook purchase, musical instruments, beauty, book, electronics, lawn and garden, apparel, home, video games, luggage, furniture, personal care appliances.
Thought it would be more economical to buy the two cartridge pack. When I installed one of the cartridges I kept getting an error message that the cartridge was not the right size for my printer or was defective. My printer would not print or even recognize it as a new cartridge. So I tried the second cartridge in the package and it worked. Obviously one was defective. So much for trying to save money by buying two. Would have returned them both but needed to use my printer.
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
office product