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 girl comes onto the screen and explains that she will be making some lemonade and shows the things that are needed. she <sep> (A) is attempting to take the lemonade from two cups that are standing outdoors, and attempting to make lemonade. (B) then walks to the sink and gives a very animated tutorial about the process and how to make them. (C) scoops some powder into a pitcher of water. (D) then returns to her strawberries and cucumbers and bashes them with a cucumber cocktail as well.
Example Output: C

Example Input: [header] How to lance and drain a blister [title] Assess the blister before choosing to drain it. [step] Not every blister needs to be lanced. In fact, some experts recommend that you should only drain blisters that are exceedingly painful, in weight-bearing or high-contact areas, or larger than 0.8 inches (2 centimeters) in diameter. <sep> (A) [substeps] If the blister is intact and manageable, try to keep it intact. Apply a piece of moleskin, adhesive felt, or tape. (B) In these instances, you need to check the blister to determine if it needs a leak-proof drain. [substeps] See the " how to drain a blister " section of this article for instructions. (C) [title] Make a decision whether or not to drain the blister. [step] If the blister is very painful, medical sterilization is an option. (D) [substeps] There is no one right way to do this, so you have to be sure that you have the right technique. It is not as easy to clean a blister as to rinse with water and applying a sterile dressing.
Example Output: A

Example Input: The people are swimming in the pool, then one person threw the ball to one side. the person <sep> (A) walked from the pool and inspect the ball. (B) climbed the diving board, then followed the swimmer and the spectators. (C) threw the ball to a boy in a suit, but that kick the man of the suit who jumped to the person to protect him, after a person swim and made a net around the swimmers. (D) throw the ball in the goal and went in.
Example Output:
D