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".

Example Input: [header] How to buy wine for a gift [title] Go mid-range to high end. [step] It's tempting to buy a cheap wine to give as a gift, particularly if you don't know much about wines. However, cheap wine will taste cheap. <sep> (A) Buy the cheapest wines possible at low prices for a lot of fun and a nice gift. [substeps] Vintage wine is well worth the cost, but it won't taste well if you're not buying the bottle. (B) A higher end wine will go right up top and faster, so full quantities have more potential to go up the price of a bottle. [substeps] Anyway, consider your palate when determining whether a bottle is a good choice for your party. (C) [substeps] Spend time visiting upscale restaurants near your destination and learn about wines on your visits. Ask for the wine they recommend to see if you can trade it for cheaper. (D) That's not to say that you can't get a decent wine for a reasonable price. You just don't want to pick the cheapest wine, especially if you've never tasted it yourself.
Example Output: D

Example Input: [header] How to join the mormon church (church of jesus christ of latter day saints ) [title] Learn more about what mormons believe. [step] You should feel like you have a solid grasp on the beliefs of the mormon church before becoming a member. You can get literature about mormonism directly from the lds church website to begin with. <sep> (A) You can also visit the websites of the majority of mormonistic denominations like the jackson pike church of christ of latter day saints' danbury, or the american academy of mormonism. You should also research the general beliefs and values of mormonistic church members before becoming a member. (B) [title] Donate material after reading about the lds church. [step] There are many magazines and publications devoted to mormonism. (C) [substeps] For more information, see this article. [title] Consider the spiritual side of the organization. (D) Once you feel like you know what the religion is about, you can move on to talking with people about the religion. [substeps] The best source is a member of the mormon church or their missionaries.
Example Output: D

Example Input: [header] How to stop using plastic [title] Use reusable water bottles instead of plastic bottles. [step] Get a tumbler, mason jar, or a bottle and use those to put your smoothies and other drinks in instead of new plastic containers every time. Some places even offer a discount if you do this. <sep> (A) [title] Add a little cheese for a bite-sized beverage. [step] While using bottled juice or distilled, the food scraps in the container will give your beverage the taste of distilled beer instead of water. (B) [substeps] Plastic water bottles are one of the best examples of how simple changes can create a big impact in your life. Not only is the water being sold not regulated as strictly as municipal drinking water sources, but the plastic mostly ends up in landfills. (C) [title] Cut a plastic scream box in half in the shape of a tool that allows you to slide your hand inside the box. [step] Put a drop of dye in each corner. (D) [substeps] This can help prevent the use of recycled containers. Fresh bottles contain bacteria and other contaminants that are harmful to the environment, if used responsibly.
Example Output:
B