You will be given a definition of a task first, then some input of the task.
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".

[header] How to stop dizziness [title] Sit or lie down. [step] Dizziness or light-headedness usually hits when you are standing up or moving around. At the first signs of dizziness or light-headedness, sit or lie down immediately. <sep> (A) Dizziness not only hurts your head, but also inhibits you from seeing clearly. Look for swelling or bruising over your back. (B) This will usually help to relieve the spinning sensation and is safer in the event that you fall. [substeps] If you're sitting down, try putting your head between your legs. (C) Don't move or even breathe heavily or try to even your breathing or heart rate. Look for a calm place or view that you find calming. (D) [substeps] You can also sit on the floor to absorb the dizzy feeling. Place an arm or hand under your head and out in front of you.
Output:
B