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.

[EX Q]: Received this “Auto Vox Digital Wireless Backup Camera” in a timely manner, installation was very easy. Took me approximately 1 hour from start to finish to complete the job. However when I first tried it, it worked but there was at least maybe a 5 second delay and I thought I could live with that. The picture was very clear with no interference, and that’s where it ends. When i got into my truck to head out, I put it in reverse and nothing! I spent several hours trying to relocate the transmitter and hardwire the wires to my backup lights. But nothing worked.
[EX A]: negative

[EX Q]: I am writing this review after 7 months of use and I must say that this strap is the best I've ever used. It is holding up extremely well. Still looks as good as new. Leather is high grade and Quality is second to none. People compliment it all the time as it looks so good on my Fuji X100F. Just looks at the quality of the mounting rings used on this thing compared to my old strap. It is so my thicker and feels way more secure than others. I also like the fact that the mounting ring is also protected from scratching the camera. If you are looking for a quality strap that I believe will last you a life time then look no further. Save yourself multiple purchases looking for the right one and just get this one. You will not regret it.
[EX A]: positive

[EX Q]: I've had my printer for years, and I use dozens of the same type of cartridge per year. This time I ordered at 2-pack of HP 62 black ink. Strangely, the first cartridge is fine, but the second one cannot be accepted by the printer. I've tried other cartridges to ensure that it is only this one that is faulty. Every time I try to install, printer tells me to "remove and replace to insure proper installation." Again, it's not my printer. It's just the ONE cartridge. Bummer. Ink isn't cheap. Furthermore, the return window closed (it's been exactly a month), and of course I couldn't have known that the 2nd cartridge wouldn't work until now. I feel Amazon should replace with a working cartridge under these circumstances, but apparently it's too late. Crummy.
[EX A]:
negative