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]: A lot of people are gathered in a pier next to a lake with a lot of people kayaking. man <sep> (A) is in sal driving the boat to the lake and kayaking. (B) is being interviewed by a reporter. (C) is sitting on bench talking while people sits on water kayaking and their stares are bent over. (D) is standing in the lake and playing darts and playing with others.
[EX A]: B

[EX 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.
[EX A]: A

[EX Q]: An athlete walks onto a field. He spins in circles around a platform. he <sep> (A) jumps off of the platform. (B) tosses a ball a great distance, and walks away. (C) then runs into a pit of men. (D) runs down the track.
[EX A]:
B