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: Consider Input: [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.

Output: C


Input: Consider Input: The man is hunched over on the the ground trying to build a fire by himself. It's all about adding oxygen at the right time once you have started a nice fire. also <sep> (A) , the cameraman goes to stand up to help the guy who's in the crouch position as the camera guy films them and makes notes. (B) , the guy rushes to get a bigger one. (C) , the man is not lying flat on the ground as he is trying to put firewood into the fire on the ground. (D) , if the fire is dead or dying you just hit it with a little bit more oxygen and it will help bring it back up.

Output: D


Input: Consider Input: [header] How to stay safe in torrential rain and typhoons [title] For rain, make sure you always check the weather. [step] Listen to regular news broadcasts and for the most reliable data. [title] Always carry an umbrella. <sep> (A) [step] You never know when a storm may strike and you could wind up struck or hit, so wear an umbrella and never wear it without one. [title] Make sure you always wear the right clothing. (B) [step] Due to the huge effect on serious force of rain, many people carry them every so often. [title] Invest in some waterproof rain clothes and doors. (C) [step] Even if you do have an umbrella with superman strength! Red rain can cause flooding and traffic disruption. [title] If the red rain signal is launched, do not begin an outdoor sport or a long walk. (D) [step] This can help to protect your body without having to open the umbrella to prevent rain from hitting you. You can bring a thick hat, to keep your head, and a long umbrella bag, or even a portable water bottle.


Output: C