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 become a journeyman electrician (us ) [title] Familiarize yourself with possible lines of work. [step] Journeymen electricians install electrical systems in homes and businesses. They inspect and repair wiring, transformers and circuit breakers. <sep> (A) As a journeyman electrician, you could work as an outside lineman or an inside wireman. Once you have worked as a journeyman for a period, you can eventually become a master electrician. (B) The specific skills required will vary according to the job and the area. [substeps] Apprenticeship law permits journeyman electricians to complete eight years of apprenticeship courses. (C) Whatever the position you do as a journeyman electrician, as long as you understand the skills necessary to work in a home and hire an electrician to work under your supervision, you're considered a professional. This is where your skills and training developed as an apprentice come in handy. (D) How you would start as a journeyman electrician can greatly impact your career in the future. [substeps] Begin practicing as soon as possible, and work your way up on the ladder.
Example Output: A

Example Input: The group cuts hedges along the side as well as throw them into a bucket and help the older man. the kids <sep> (A) then help create fluff and gives each male hugs. (B) hang them up on large branches to get the look of the finished product. (C) walk around playing with plants and creating a maze. (D) continue to help the other man by gathering leaves as he pushing them back towards the front.
Example Output: D

Example Input: [header] How to protect your infant from flu [title] Get vaccinated. [step] As soon as the seasonal flu vaccine is made available, you and other caregivers should visit your doctor and get vaccinated. By being vaccinated, you'll protect yourself from being infected. <sep> (A) As a result, your chance of infecting your infant will be much lower. Without a flu vaccine, you and your family will be much more vulnerable. (B) [substeps] First, you will need to get vaccinated when you are 15 years old or older. Remember that vaccines do not prevent the flu from occurring in children. (C) All viruses can lead to flu, but there are also vaccinations that prevent a potential recurrence. They're not as important as any other vaccines, though. (D) [substeps] Vaccinations can last for several months. Contact your doctor immediately if you've had the flu in the past, have just become pregnant, or if you have recently given blood.
Example Output:
A