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 plant switchgrass [title] Pick a switchgrass variety. [step] If you look for switchgrass at your local nursery you may just find a plant that's labeled " switchgrass, " but there are actually several varieties that differ in color and size. Switchgrass blooms for almost half the year, and during the winter and spring it's usually brown. <sep> (A) [substeps] Magnolia trees produce about 50% of the moisture. Maple trees produce 50% of the moisture per year. (B) Both varieties of switchgrass produce pretty stunning flowers, unique patterns, and flowers. Most also have phlebotomists at the planting areas where it grows. (C) These are factors to keep in mind when you're choosing a variety for your garden. Here are a few types commonly grown in home gardens : [substeps] Northwind: grows four to six feet tall and produces yellow blooms. (D) Pine needles will establish a base that's ready for planting a newer, more established fire from. [substeps] Switchgrass colors for more variety can also be found at a garden center or online.
Example Output: C

Example Input: [header] How to keep your values high with determination [title] Know your values. [step] To keep your values high, you need to know about your values first. This can be achieved by giving yourself ample time to reflect over what matters to you. <sep> (A) Ask yourself what matters the most to you and what values you consider reflect the things you care about. Think about the values applicable both to yourself and to your interactions with others in the world. (B) This will help keep you motivated during tough times and also by providing you with a set of exercises that will help you achieve your goals. [substeps] Define value as the raw or complete love you feel towards your loved one. (C) To do this, it is important to think about what you value, and research shows that determining your values in your own way can help keep you motivated, energized, and mentally stimulated. [substeps] Knowing your values is a good way to prevent inflation, which may affect your market share if you are very young. (D) Then, strive to live each day by setting aside and organizing your values. [substeps] For example, if your most important and essential values are reading one book a day, then it can be more challenging to devote time to that book.
Example Output: A

Example Input: [header] How to clean a hot water dispenser [title] Wet a cloth with a cleaning solution. [step] Generally, a mild cleaning solution will do. For instance, you can add a dash of dishwashing soap to 4 cups of water (about a liter). <sep> (A) [substeps] In a closed shower, warm water saturates the cloth and will plug up the hot water spots. You can also wet a paper towel with a wet substrate cleaning solution. (B) [substeps] Use soap specifically designed for cleaning cloth buckets. Too much salt can contaminate hot water. (C) That's it; an unlimited amount. Dip a towel in the solution, then wring it out. (D) Mix it up, then dip your rag in it to wet it. [substeps] Skip bleach solutions, particularly on stainless steel.
Example Output:
D