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". 

[Q]: [header] How to handle a dog's nightmares [title] Decide whether to wake up your dog. [step] When your dog is having a nightmare, your first instinct may be to wake up your dog. However, this isn't always the best idea. <sep> (A) Waking up your dog would disrupt its sleep cycle, causing it to feel confused and possibly lash out at you. It's often better to let a dog continue sleeping through the nightmare. (B) If your dog's nightmares persist and you aren't willing to take the time to monitor your dog, it might be best to enlist the help of a veterinarian. There are several reasons for this : [substeps] When your dog is having a nightmare, your own judgment is impaired. (C) If your dog is claustrophobic or is fear fearful, you will want to be as calm as possible while your dog is having the nightmare. If the fear is mild to moderate, choosing an alternative position or location may not be a good idea. (D) While nightmares are real, traumatic experiences can also happen. [substeps] Nightmares also occur in dogs that have nightmares caused by trauma.
[A]: A


[Q]: [header] How to find a penpal [title] Think about what you want to send. [step] There are many different ways to correspond with a penpal, and deciding on the one that's right for you makes it easier to sort through the number of penpal websites on the internet. Some people prefer communicating electronically while others like to use penpals as a means of creative communication. <sep> (A) [substeps] The international union of mail-artists is a website dedicated to those who like sending postal art to their penpals. Iumoa is a much more niche community as it has roughly 4 , 000 active members. (B) Read the different penpal websites carefully and decide on the one you wish to write a message for. [title] Enter the number and contact information you would like to use in the address bar (in the upper right hand corner of the web page). (C) [substeps] Remember that there is no set password to choose from across a thousands of websites, but feel free to use whatever feels most comfortable for you. [title] Narrow the search criteria to near the lowest classifications. (D) Some people like to send messages on social media or email, while other people prefer to send text messages or instant messages. [title] Decide which websites you want to find.
[A]: A


[Q]: A view is seen of snow covered ground and people on the ice. A man sets up a fishing line in a hole in a lake. he <sep> (A) then pulls a fish through the hole. (B) reels in the fish and catches a bigger fish. (C) reels in the hook and begins reeling in the fish. (D) stands and catches a fish and throws it in the hole with the other fish.
[A]:
A