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 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.

Ex Output:
C


Ex Input:
There are people on personal sailboats and they're holding onto their sails, leaning as far back as they can. a woman wearing a hat, wetsuit and a lifejacket <sep> (A) is sitting in the water and she's holding fruit and reading a book on a tablet. (B) is standing in rear of the sail the boat is on. (C) is seated on the lifebuoy. (D) is sitting on her sailboat and holding onto her sail and steering.

Ex Output:
D


Ex Input:
[header] How to make watermelon, pineapple, and mint infused water [title] Gather the essentials. [step] That you like. For this recipe, you will be using watermelon and pineapple. <sep> (A) Because you don't need any utensils, the watermelon will be preferred. The pineapple will be washed and dried to make a smooth mixture. (B) The simple recipe would look like : [substeps] 2 pieces celery 6 cups water 2 watermelon slices 1 large bowl [title] Boil water. [step] Add the cooked onion and 2 teaspoons of water. (C) Here's what you need : [substeps] A pitcher (water jug) with a lid (be sure that you read the instructions in-depth and are used for cooking). A large bowl for mixing the ingredients in. (D) In advance, soak a handful of mint leaves in a glass of warm water overnight. This is to help the infusion of flavor.

Ex Output:

D