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 eat to improve fertility [title] Be aware that having a balanced, healthy diet does not guarantee higher fertility. [step] There are many online sources and several books that claim that switching to a more balanced and healthy diet can lead to improved fertility. Though it is always beneficial to eat a healthy diet, it should not replace other fertility treatments and options. <sep> (A) Making sure that you are eating adequate and not too many calories or trans fats can lead to strong, lasting health patterns. In order to see results, eating a balanced diet is essential. (B) The key to avoiding eating more fertility treatments is truly taking in proper nutrients and the exercises you perform regularly. [substeps] Vitamin b6, vitamin b12 and high quality foods like bread and fruits help you to relax and begin functioning properly. (C) [substeps] Healthcare providers believe that we often mistake pre-existing disease as the cause of our fertility problems. These people often mistake their diet as their only sources of positive energy. (D) However, maintaining a healthy diet and lifestyle may reduce a woman's risk of irregular ovulation and could improve her chances of getting pregnant. [title] Keep in mind fertility diets may only work for a small subsection of women.
Example Output: D

Example Input: [header] How to make a great first vlog [title] Make sure that you have the right equipment. [step] You don't need an expensive dslr camera and microphone, but you should have a camera that can handle video in 720p at the very least. You should also have an external microphone that hooks up to the camera. <sep> (A) Your vlog will only work if you have a mp3 player. [title] Get good quality editing software for your camera. (B) [substeps] For digital vlogs, you will need one with both video and audio capabilities, such as a vlog. [title] Change the camera speed when you make it first vlog. (C) [substeps] If you have a smartphone (or even a tablet), you don't need to buy any equipment to complement it. Sound is just as important as video, so don't neglect your microphone if you buy a dedicated one. (D) [title] Set up your vlog in a well-lit area. [step] If you plan to be shooting at night, you might as well go indoors, or it might be too stuffy and possibly might be too warm.
Example Output: C

Example Input: A large group of people are seen cheering on the sides followed by team members standing together for pictures. Several shots are shown afterwards of people playing soccer against one another. people <sep> (A) continue playing against one another and end by cheering. (B) sit and speak to the camera before showing more youtube videos. (C) continue jumping along with others in the background. (D) celebrate and are seen diving off of a diving board into a pool.
Example Output:
A