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 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: This is a tutorial on how to start a campfire. It shows the campfire burning on the ground. it <sep> (A) shows the chimney of the home. (B) shows how you can put a few around to have some light. (C) starts with the things you will need to begin with. (D) shows how to hold the fire and set the pot the just a bit to catch propane.
Example Output: C

Example Input: [header] How to conceal bags under your eyes [title] Choose your concealer. [step] To combat the blue and gray color under your eyes, choose an orange or peach colored concealer. Orange is the complementary color to blue, which means when orange is applied to a blue area, the colors " cancel " one another out. <sep> (A) Apply the concealer in a v-shape along the hairline, around your eyes, and around the outside edges of your eyes. [title] Don't forget to exfoliate. (B) Pick a color that is only one or two shades darker than your skin-otherwise, the concealer will be visible against the normal color of your skin. Concealers come in liquid and stick form. (C) A pale blue concealer will look similar to the peachy shade, but it looks brighter. Peach concealer is a darker color than orange concealer, and fades into the grey or beige coating, respectively. (D) To disguise the purple-and-blue problem area, opt for a light color concealer. [substeps] For the best results, choose concealer that is the same color as your skin tone.
Example Output:
B