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". 

[EX 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.
[EX A]: C

[EX Q]: [header] How to read an ear reflexology chart [title] Get an ear reflexology chart online or refer to one in a book. [step] Before you can learn how to read an ear reflexology chart, you will need to get yourself a good one to consult. You can find ear reflexology charts online or in a reflexology book. <sep> (A) For best results, get a large poster size chart. The ear has 90 standardized reflexology points, so it can be difficult to read an ear reflexology chart if it is too small. (B) Read the chart aloud to yourself in the living room or in the shower, if you don't have a room to study in. [title] Read the chart in a library or in an online book. (C) [substeps] You will also need to see if any glaciers are present. These may be signs of a temperature problem. (D) [substeps] Place your index (pointer) finger on one of the pointer points at the top of a chart. Place your other finger on the other pointer point at the bottom of the chart.
[EX A]: A

[EX Q]: Products involving window washing, such as a window washer, squeegee soap and a squeegee are shown, as well as a window washer using those products when washing a window. A product with a secure click lock is advertised. the man window <sep> (A) washes tools while the other window winders are shown. (B) dries while downstairs, and then he goes to the bathroom and sprays the window washer and finally applies a cleaning pair of gloves. (C) demonstrates the use of the secure click lock product when washing a window. (D) washes, dries and irons the wall paper using the ladder and wipes down the wall.
[EX A]:
C