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 section citrus fruit [title] Wash your hands and the fruit because the juice will flow as you cut. [title] Use a sharp, thin-bladed knife. [step] Peel over a bowl to catch the juice. <sep> (A) [title] Begin by cutting off the ends of the citrus fruit--orange or grapefruit. [title] You can see how thick the peeling is, so cut into the peel till you reach the fruit. (B) Squeezing the fruit before you cut it will cool it. [title] Immerse the fruit in lukewarm, unobstructed water. (C) [title] Cut in a way that is not too noticeable. [step] It doesn't have to be long and sharp-sharp, unless that is what you would prefer it to be. (D) [title] Cut the entire peel from the citrus fruit. [step] Make sure to slice down, making sure to avoid leaving any sharp or pointy edges of the citrus fruit.
Example Output: A

Example Input: [header] How to recognize signs of senile dementia [title] Check for memory loss. [step] Everyone forgets things from time to time. However, dementia sufferers may have difficulty remembering recent events or familiar routes and names. <sep> (A) Symptoms commonly associated with dementia include : [substeps] Memory loss: selective memory of information. More detailed information could be remembered later, but difficulty recall is more likely. (B) [substeps] Everyone's memory is different, and occasional forgetfulness is common among the general population. Family members and close friends typically will be the best judges of changes in behavior from what he or she was like previously. (C) Some people who have dementia make bizarre or strange memories. For example, they may remember that you are going to their house only after they have returned from their vacation. (D) One common symptom of senile dementia is a loss of memory. A person who stutters on words or can't think well may also suffer from memory impairment.
Example Output: B

Example Input: [header] How to reduce solid waste [title] Purchase items in bulk. [step] Products that are packaged in larger packages typically use less packaging per product than smaller packages. Check this out the next time you are shopping. <sep> (A) Try buying from overseas markets with more breads, grain products, and processed foods. [substeps] Check for manuals and accompanying information on bulk items. (B) [title] Buy at organic grocers or at farmers markets. [step] They are the best place to bulk up. (C) [substeps] Grocery items such as a decorative spoon and jar can rack up bulk, even to people who are grocery shopping. Eat lunch or dinner with one smaller container. (D) [title] Analyze the size of the packaging for the products you buy. [step] Choose to buy items that use no packaging or a minimal amount of packaging.
Example Output:
D