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 keep your values high with determination [title] Know your values. [step] To keep your values high, you need to know about your values first. This can be achieved by giving yourself ample time to reflect over what matters to you. <sep> (A) Ask yourself what matters the most to you and what values you consider reflect the things you care about. Think about the values applicable both to yourself and to your interactions with others in the world. (B) This will help keep you motivated during tough times and also by providing you with a set of exercises that will help you achieve your goals. [substeps] Define value as the raw or complete love you feel towards your loved one. (C) To do this, it is important to think about what you value, and research shows that determining your values in your own way can help keep you motivated, energized, and mentally stimulated. [substeps] Knowing your values is a good way to prevent inflation, which may affect your market share if you are very young. (D) Then, strive to live each day by setting aside and organizing your values. [substeps] For example, if your most important and essential values are reading one book a day, then it can be more challenging to devote time to that book.

Ex Output:
A


Ex Input:
A woman demonstrates how to properly wrap a gift from behind the counter of a gift shop. a woman <sep> (A) removes tape from the corner of the wood before wrapping a gift from behind a christmas tree. (B) wearing a black outfit sits on a stall lid and demonstrates how to wrap a gift properly. (C) puts paper titles onto the gift. (D) stands behind a sales counter in front of several wrapped gifts and gift wrapping materials.

Ex Output:
D


Ex Input:
[header] How to flex your back [title] Do abdominal exercises. [step] Abdominal exercises will flex you back each time you roll your body forward or to the side. Include a few abdominal exercises in your regular exercise routine. <sep> (A) Try the following combinations : [substeps] Stretch at least three times a day. This will increase your flexibility and prevent injuries. (B) Specific physical exercises that target specific muscle groups should not be attempted on surfaces with specific target areas. [substeps] Swimming and swinging your arms forward and to the side should be two examples of abdominal exercise. (C) [substeps] To do these exercises, sit in a comfortable position. Slide your lower back back forward as far as it will go, hold for 30 seconds, then slowly lower your back. (D) There are lots of different abdominal exercises you can try including : [substeps] Sit ups crunches oblique crunches do bicycle crunches | bicycle crunches] ] [title] Try supermans. [step] Lay down on your stomach with your arms straight out in front of you and your legs straight out behind you.

Ex Output:

D