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 Input:
[header] How to make a simple hot compress for muscle pain [title] Run water from the tap until it is hot. [step] You may want to heat water on the stove or in the microwave, but you have more chance of burning yourself if you heat the water in this way. Instead, run the hot water from your sink to a temperature that is just hot enough for you to tolerate. <sep> (A) [substeps] Pour the water over the wound, rather than across it, and try not to let it overflow. Stick your fingers, or any other hand instruments closest to the wound, in the hot water. (B) This way, you don't put your elbows or head under the water and burn yourself. [substeps] Another option is to massage the water out using a hose. (C) [title] Find a towel that is large enough to cover your injury. [step] Fold a towel or washcloth to cover only the area you want to place the compress on. (D) [substeps] The water should be roughly the same temperature as the temperature of your body. If you do not have access to a water faucet at home, you may consider using a kettle to conduct the water.

Ex Output:
C


Ex Input:
[header] How to protect the copyright of a tv show or movie [title] Confirm that you are the rightful owner of the copyright. [step] Generally you have the right to claim a copyright in your work if you created it--unless it was a work-for-hire. If you were paid to create something for someone else, you can't claim the copyright. <sep> (A) [substeps] If you created your movie or tv show independently, you have a copyright in it. If you accepted funding from someone else or allowed someone else to produce your work, your production contract should state who owns the copyright in the work. (B) However, you must know if you created a work-for-hire from another source. [substeps] Before you do your homework, find out what rights are available to the creator of your television show or movie. (C) [substeps] You generally must prove that you created the work or movie on behalf of someone else--whether you are doing it for a business or company. Generally, you also must prove that the copyright interests the person or company you are seeking the copyright for. (D) However, you may be entitled to a copyright for any work created for another person, including newspapers and magazines. [substeps] In this situation, you may be able to claim something other than a copyright.

Ex Output:
A


Ex Input:
[header] How to assess the advantages of hydroponic gardening for your needs [title] Be prepared for an initial outlay and then lower costs to run it. [step] Once you are ready with your initial set up, running costs are around 20 percent lower. [title] Expect to be able to grow more plants in less space. <sep> (A) [step] It would make too much difference to determine whether the grass near your garden drains faster or the area seems to benefit from shade, do this without thinking of more resources. [title] Plant your herbs and vegetables in the fall. (B) [step] This will help you to minimize costs when necessary as well as to help prove that your hydroponic garden is sustainable enough for plant development. [title] Search the us and canada for a hydroponic development department. (C) [step] Expect gardening to last a year or more if you plant plants in your home. [substeps] Start by purchasing nitrogen-rich plants. (D) [step] You can grow more plants into a smaller area with indoor hydroponics gardening. This is despite your actual plants being larger, the roots are smaller as they don't need to expand to find nutrients.

Ex Output:

D