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: A bunch of men are inside a green colored gym. They are lobbing a tennis ball back and forth. they <sep> (A) are engaged in a game of tennis. (B) bounce the ball up and down on the trampoline as they go. (C) hit the ball up high into the air. (D) knock balls off the hoops into the spectators.
Example Output: A

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: [header] How to grow basil indoors [title] Purchase basil seeds from a reliable source. [step] Visit your local nursery or garden store to pick out basil seeds you'd like to plant, or you can buy them online. You can often buy a packet containing over 100 seeds at a very low price. <sep> (A) [substeps] You can buy basil seeds at a local hardware store or garden store. Basil seed heads usually grow deep enough to cover the growing area, preventing bugs and weeds from producing up seeds. (B) [substeps] While cheaper options will provide more strawberries, and can sustain longer, they are often uncomfortable and don't provide much variety. These seeds are not good as they quickly rots away and do not provide a healthy plant for the basil, while still allowing the plant to grow. (C) [substeps] If you're buying the seeds online, do some research to find out which websites have the best seeds. [title] Use coarse, well-draining soil to plant the seeds in. (D) [substeps] Basil seeds are readily available to plant and grow, so you'll need to bring one with you as well as a small basket to catch up on supply. Basil seeds can also be mixed into salads or casseroles.
Example Output:
C