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 reduce unnecessary antibiotic use [title] Be more patient with your illness. [step] As a patient, it can be hard to have an illness that's causing uncomfortable symptoms and lots of distress; however, many respiratory and intestinal infections clear up within a few weeks and are not life threatening. As such, take the time to assess your symptoms before visiting the doctor. <sep> (A) This can help avoid unnecessary antibiotic use. [substeps] The rule of thumb is to allow symptoms like mild fever, congestion, running nose and/or cough to run their course, usually about seven to 10 days. (B) That way, and possibly minimize all complications. [title] Be proactive about completing your medical check-ups. (C) [substeps] For instance, your doctor may ask for certain vaccinations and vaccines. You may want to call your healthcare provider to confirm the vaccine has been given and how well the bacteria is working. (D) [substeps] Watch for signs of illness that reoccur after you stop taking prescribed medication. Conditions such as repeated inhalation of a foreign substance can result in chest pain.
Example Output: A

Example Input: A man and a woman run and exercise in a gym. The woman and the man talk in the gym and give advice if a person is cramped up. after <sep> (A) , the man goes in the house to grab a towel and a pair of gym pants and tie his shoe and join the woman and the man in gym. (B) , the man puts his arms up to jump at the gee gee and performs huge leaps. (C) , the man and woman talk in the courtroom. (D) , the woman and the man continue exercising.
Example Output: D

Example Input: [header] How to use different features of efficientpim [title] Once you have initiated the software, click on " contacts " from the left panel and start adding your contacts in the address book one by one. [step] You can also import from microsoft outlook. Find more contacts in less time and contact them on time. <sep> (A) [title] Now to pin your contacts (via text message or text sms) go to the contacts group in the front of your outlook contacts window and select " pin all contacts ". [title] Now to pin their tabs, select the corner on the contacts group. (B) [title] You can import contacts from the contacts box by right clicking on the contact you wish to import. [step] If you would rather import one of your contacts (s) your contact does not have, click " add contacts " and follow your progress. (C) [substeps] Once enabled you will be able to add new contacts to your address book individually and in a loop. This is the space where your contacts will be to make updates. (D) Sales people can make the best use of this part of the software to access leads on time and converting them into sales. [title] Create a to-do-list in calendar.
Example Output:
D