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 choose a parenting style [title] Know the 4 styles of parenting. [step] Although there are many ways to be a parent, psychologists often refer to 4 main parenting styles. The styles are authoritarian, permissive, authoritative, and uninvolved. <sep> (A) Take some time to learn about each the positive and negative qualities of each style so you can figure out which style will benefit your family the most. It's important to consider your specific child's temperament and tailor your parenting style to suit their needs, incorporating as many authoritative aspects as possible. (B) [substeps] Authoritative parenting styles tend to focus on being a superior leader and supporting all children. Non-authoritarian parenting styles also require that you always become a one-on-one parent. (C) The styles focuses on incorporating strong communication, discipline, family beliefs, and rule-breaking into the decision making process. [substeps] Discipline refers to your work ethic, ability to follow through and do what you are told, and qualities you and your children are capable of developing in your own life. (D) [substeps] Authoritative means to act in the best and most mature ways, while authoritative means to assert authority (i.e., assertiveness when something goes wrong). Authoritative encompasses one's own way of taking and retaining power and the needs of others.
Example Output: A

Example Input: [header] How to get a life [title] Define what a life is to you. [step] This notion of " a life " is subjective. You need to reflect on what is important to you. <sep> (A) Who does what matters to you? Does your job matter? What is your house like? Is anyone there to support you? Where do you see yourself in five years? How would you do without your parents' help? [title] Read about careers. [step] There are many different careers available to you from young age to very young age. (B) You can think about all the great things you have, but find out what (or what) matters to you most the most: don't be forcing perfection on yourself, but list what matters to you the most. [substeps] Many people struggle to define what a life is to them because they " don't know. (C) Not only that, but you need to consider why the person with whom you consider a life is important to you. A life is best made up of three elements: a home, a job, a significant other, and so forth. (D) What do you want to achieve in life? What makes you happy? Only once you think about those kinds of things will you begin to realize how to attain a life. [substeps] Don't let others define a meaningful life for you.
Example Output: 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