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 treat cold sores in your nose [title] Figure out if you have cold sores in your nose. [step] Because it is difficult to see inside of your nose, you may need to figure out if you have cold sore instead of another condition such as an ingrown hair or pimple. Checking the areas in and around your nose can help you figure out if you have cold sores in your nose. <sep> (A) [substeps] Check your nose from the bottom of your nose, just in front of your cheekbone, towards your chin. If it feels numb, there is probably something there. (B) [title] Determine if you have a stuffy nose. [step] In your nose, you may need to take some pressure off of the bridge of your nose and see if that pressure is gone or causes the discomfort. (C) [substeps] Use a mirror to check the visible surfaces of your nasal cavity. You may not be able to see much, but even detecting a cold sore can help. (D) [substeps] To figure out if you have cold sores, you may be looking in your nose. Either look back at the corner of your nose, or look to the floor.

A: C
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Q: [header] How to handle having a toxic mother [title] Be aware that your mother might not realise that what's she's doing or saying is affecting you. [step] Try talking about it with her, telling her how you feel. You might be surprised to find that she's actually quite understanding; after all, she's human too. <sep> (A) [title] If you're really dealing with a toxic mother, be caring. [step] Basically, try your best to show she is not hurting you. (B) [substeps] You might be embarrassed, and really hurt. Try to talk to her about your feelings instead. (C) [substeps] You could say, " i feel frightened about what you're telling me. I wish i could make you feel better, but i don't know how. (D) [title] Choose the right time to talk it over. [step] There is a wrong time for you to have this conversation.

A: D
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Q: [header] How to clean a mouse cage [title] Rinse your mouse's food bowl with soap and water. [step] Once per day, take your mouse's food bowl and run it under a stream of hot water. Then, squirt a few drops of antibacterial soap onto a scrubbing brush and use it to clean the bowl thoroughly. <sep> (A) [substeps] Avoid using dish soap, which can irritate your mouse's skin and head while cleaning. Allow the bowl to dry overnight, which should take less than an hour. (B) Once you're done, dry the bowl off with a clean towel. [substeps] Make sure the bowl is completely dry and free of soap before filling it up with food. (C) [substeps] Try your best to make sure the bowl you use is not full of leftover mouse food. Go easy on germs and yeast. (D) This can be a neat chore, or it can be something more. The soap will remove dirt, gunk, and germs.

A:
B
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