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: The man begins by scraping ice and snow off of the bottom of his windshield and the hood of his car and front grill. the man <sep> (A) then complies and drains ice from the sides. (B) dips a sponge into a liquid that gets in between the cars windshield. (C) then wipes the snow off his windshield and gets in his car crawling around. (D) then scrapes and kicks at ice chunks surrounding the area around the front passenger tire.

A: D
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Q: [header] How to stay underwater longer [title] Start a cardiovascular exercise routine. [step] The best way to increase the amount of time you can stay underwater is by increasing your cardiovascular ability. By committing to a cardio training exercise routine, you'll increase your body's ability to process and use oxygen. <sep> (A) [substeps] Do cardio 1 hour a day, even if you're not very active. Studies have shown that people who engage in cardio exercise their entire lives have lower cholesterol levels, which can help them go longer. (B) [substeps] Commit to running, powerwalking, using an elliptical, or another cardio activity. Exercise 3 to 5 times a week for at least 30 minutes. (C) This will help you to stay underwater longer, and even help prevent injury. You want to make sure that you've kept up your cardio pace as much as possible, without injury. (D) Take the following steps to start a cardiovascular workout regimen : [substeps] Start with a short run at a medium pace for 30 seconds. Running for 30 seconds is about the same as hopping 3 times--you increase speed in that time period.

A:
B
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