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 select perennials for edging [title] Choose perennials that can stand up to physical abuse. [step] Plants that are used to edge walkways will likely have to deal with a lot of foot traffic. Hardy, resilient perennials will therefore be a good choice. <sep> (A) [substeps] Perennials with artificial foliage won't stand out in an outdoor garden. Perennials with small bulbs can stand up to many forms of heavy concrete traffic. (B) [substeps] If you plan to display perennials on walkways, choose perennials that can stand stand up to a daily blow to the nose, or that will tolerate touch. [title] Look for perennials that can handle direct sunlight. (C) [substeps] Protect plants like roses, shrubs, and hedges with plastic. [title] Pick perennials that can withstand garden shock. (D) Examples of perennials that can withstand abuse from foot traffic include lilyturf (genus liriope) and brass buttons. [title] Select perennials that provide thick coverage.
Example Output: D

Example Input: [header] How to choose the best hula hoop (adult sized ) [title] Measure your height from the floor to your belly button. [step] This measurement will then help to determine the diameter of the hoop you should purchase. The hula hoop, when resting vertically on the ground, should reach somewhere between your waist and mid-chest. <sep> (A) [substeps] Example: if your height is 36 inches (76 "), then 118 inches (77 ") would be the minimum height. For kids, this would be 24 inches (76 "). (B) This is your base diameter measurement and can be adjusted slightly depending on your size and experience level. [substeps] For example, most adults will begin with a hula hoop between 40 and 44 inches in diameter. (C) [title] Find a hoop that you know you can balance on. [step] This will improve the stability of the hoop and prevent you from accidentally dropping the ball while on it. (D) Your waist should be about an eighth of an inch shorter than the hoop. You should also measure your waist from hips to ankles, and to knees with a ruler or measuring tape.
Example Output: B

Example Input: [header] How to stay mentally strong [title] Connect with friends and family. [step] These are the people who love and care about you and will be the most honest. Whatever emptiness you have can be filled by the friends and family who will provide you comfort and confidence. <sep> (A) It is important to balance your life between work, fun, and family. [substeps] Talking with people you love and trust is a good way to relieve stress, think positive, and take your mind off of work and other pressing issues. (B) [substeps] Include them as you climb out of bed and move about the room, or ask for their time in the morning when you wake up. At bedtime, provide access to strong places and devices you keep who can help you stay mentally strong. (C) Gain their love and support by taking their advice. They have a deep understanding of your unique knowledge and abilities, and will help you realize what you are missing from life. (D) You will never feel unsupported or alone in this vulnerable time. Avoid dwelling on the past and assume the future-remember that there is no hope for you or for anyone else.
Example Output:
A