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:
A man sits down by the sidewalk playing a guitar. A black man approaches to watch the guitarist perform. a woman <sep> (A) approaches to sing with them and they begin to have a conversation. (B) stands by recording the performer. (C) comes holding a guitar made out of materials. (D) at various functions watches on as the guitarist plays.

Ex Output:
B


Ex Input:
Several men are shown at different rodeos riding horses and capturing the calf attached to the string. as more locations <sep> (A) appear it all fades to black. (B) are shown with riders riding horses and shots of other people getting briggs steers. (C) are shown, one final shot is shown of the older man. (D) are shown, more animals are captured and more people are shown watching the actions taking place.

Ex Output:

D