In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[EX Q]: [header] How to start using the pinnacle video transfer device [title] Examine the product, so, we have the rca inputs, which is s-video, composite video, and audio. [step] This is the analog in. The digital out has the usb2.com, and the power supply. <sep> (A) [title] Update the firmware of the video transfer. [step] To do this, download the latest firmware on a flash stick, plug the flash stick into the unpowered video transfer. (B) The power supply, also called this vtv plug-in, only has these types of input. [title] Find the vtv pedal, and go to start. (C) The processor is capable of using thousands of media. [title] At this to do that, go to the system tab and change the ios ip address (ios system). (D) It has no access to itunes fans, which is why it is difficult to network. Here's how to use the gadget.
[EX A]: A

[EX Q]: [header] How to measure clothing for your cat [title] Measure a calm cat. [step] Catch your cat in a good mood, or a sleepy mood. Wait until your cat is holding still, and take his or her measurements. <sep> (A) Remember to ask beforehand if the cat's body language indicates a calm individual. [substeps] If your cat is growling, meowing, or hissing, this indicates a calm individual. (B) Your cat may jump up to grab the measuring tape or unlike with its usual behaviour. Make sure your cat stays still and seem both calm and alert. (C) If your cat is hyper, play with him for a while and gradually calm him down. For example, let your cat chase a toy for a while, then let him catch the toy. (D) Cat fur is a delicate fabric, and your cat will be easily scratched if you mess up the measurements. [title] Put your cat in a comfortable place.
[EX A]: C

[EX Q]: [header] How to care for your dog on the beach [title] Find out whether your dog likes to swim. [step] Some breeds are natural born swimmers, like labrador retrievers, while other breeds are less adept in the water. Before you take your dog to the beach, where water conditions will be rougher and less predictable than a pool or shallow pond, you should know your dog's swimming skills. <sep> (A) [substeps] If your dog enjoys swimming but is not a strong swimmer, consider purchasing a dog life vest to help them float. A life vest does not replace supervision and attention. (B) You'll want to teach your dog as much about their swimming as you can in advance. You should also consider if they enjoy the water or just love it. (C) Stay in your house and keep your dog out of one area of your house at all times. Plan on doing some exercise on the way from your house to the beach. (D) [substeps] There are fish repellent materials offered by dog shops such as sodium milli2peat. If you have been meaning to become a health guard, talk to your vet.
[EX A]:
A