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". 

Ex 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.

Ex Output:
A


Ex Input:
This video allows viewers to hear the testimony of a customer who has used the pro roofing service. First the man tells how he heard about the service and how great it is. he <sep> (A) also says that he chose pro roofing because the neighbors chose it and persuaded him by telling how great the service is. (B) gets the materials to do the job and is joined by a group of small children who are drinking lemonade at the lemonade stand and talking. (C) starts by explaining how he is going to first tell the detail of creating a casing using an iron, then he starts on eggs and bacon. (D) talks about some graphic details.

Ex Output:
A


Ex Input:
[header] How to have healthy kidneys [title] Stay hydrated. [step] Staying properly hydrated is one of the best ways to keep your kidneys healthy. Without adequate water, your kidneys can lose some of their ability to filter your blood, and may even become damaged over the course of your lifetime. <sep> (A) [substeps] Drinking water helps your kidneys flush sodium, urea, toxins, and waste out of your body. By staying properly hydrated, you can significantly reduce your risk of developing chronic kidney disease. (B) Aim to drink at least 8 fluid ounces of water every day. This will help reduce any additional fluid or waste in your system and will also allow you to more easily relieve the symptoms of kidney problems. (C) Insufficient water will contribute to poor kidney function, such as kidney failure and rheumatoid arthritis. Trying to drink water with no filter might cause further kidney damage. (D) [substeps] The best amount of water recommended by experts is 1 gallon a day (2.5 liters) each. Drink bottled water, but you don't need soda, fruit juices, or other non-carbonated beverages; opt for bottled water.

Ex Output:

A