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 remove hair from your throat [title] Try to swallow the hair. [step] If you suspect that you have one or two hairs stuck in your throat, try to just swallow them. The hair will travel through your digestive tract like food does and your body will excrete them. <sep> (A) Pass the hair around your mouth under your tongue until you see no more hairs. It's important that you close your mouth as tightly as possible so that the hairs don't come back. (B) Sucking in the hair will leave your throat full of the hair. If the hairs are stuck in your throat, then you might want to rub a cotton ball or toilet paper over your throat to help get rid of the hairs. (C) This will open up the glycerine lining in your throat and prevent anything from coming out. [substeps] Wait a few minutes to see if they're gone. (D) Your body will not break down the hair because it's made of keratin, a dense protein. [substeps] If it feels like the hair is long, see if you can use your clean fingers to pull the hair out of your throat.
Example Output: D

Example Input: [header] How to get a cat sitter when you leave town [title] Ask a friend or relative to stay at your house. [step] Many people feel the most comfortable asking a trusted and responsible friend, relative, or neighbour to look after their cat while on vacation. The best option is to find someone who can stay at your house with your cat. <sep> (A) [substeps] Ask your friend or relative to look after your pet while you are on vacation. [title] Find a regular bed or couch sitter. (B) [title] Watch for signs of illness or injury while on vacation. [step] If you have gone on vacation, make sure your pet stays at home so they can perform certain tasks without being injured. (C) Asking any person this option is definitely not fun. Think about how large or how many cats you want to keep, and ask yourself how many pets you really need. (D) This way your cat will be able to remain in a comfortable environment and will have company throughout the day. [substeps] It is best to choose someone how knows your cat and has experience with companion animals.
Example Output:
D