Definition: 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".
Input: [header] How to ease multiple sclerosis symptoms using cool temperatures [title] Determine if you would benefit from cool temperature treatments. [step] Consider whether or not your symptoms get worse during hot or humid weather. Your symptoms may even get worse if your house gets too hot or if you run a fever. <sep> (A) Cold therapy may help as well, but remember that it is just temporary, not as painful as heat treatments. [title] Determine if you need to visit your doctor. (B) [substeps] Cool temperatures are a myth; but they are true nonetheless. Hot may reduce your body's temperature, which in turn can lead to excess sweating. (C) For example, if you realize that the numbness and tingling in your arms gets worse when you don't run your air conditioner, you would probably benefit from cool temperature therapy. [substeps] Your response to heat might even be the first sign of ms you experience. (D) Consider whether you need to receive humidifiers, chamomile tea, or another herbal remedy. [substeps] Cool and humid temperatures may also cause heat sensitivity.
Output:
C