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:
We see a person sharpen a knife on a sanding disc. The person touches it and turns it off. The person turns it on and then off off. we <sep> (A) see the person sharpening the knife on a cookie sheet. (B) see a man run in slow motion. (C) then see the title screen. (D) see the man talking to the camera.

Ex Output:
D


Ex Input:
[header] How to make eyeliner wings even [title] Cut off two small pieces of tape. [step] You can use household scotch tape, or you can use surgical tape if your skin is a bit more sensitive. You will need one small piece for each eye. <sep> (A) You can always use 24 to 48 segments of duct tape if you want to make more liner. [substeps] Keep in mind that your wings might start to go out of style once the tape has dried. (B) [title] Use your tweezers to prick each eye in the " c " shape using the scratch tool. [step] Each eye needs to be in roughly the same shape, preferably with parts without movement. (C) [title] Make two smaller butterfly-shaped lines with the tape : [step] You can make a smaller butterfly-shaped wing by cutting it in half. Before you brush it over your face, wind it around your nostrils to make one side longer. (D) Fold one corner of the tape down, so that it creates a little flap that will make it easier to peel the tape off of your skin. [title] Place the tape on the corners of your eyes.

Ex Output:
D


Ex Input:
[header] How to be a proactive advocate for autism [title] Find outspoken autistic people. [step] Many autistic people are active in the community, running support and social groups. Others maintain blogs, youtube channels, podcasts, and other online presences. <sep> (A) Finding out what's going on in a given community, is important to becoming an effective advocate for autism. Raise your hand by volunteering for a cause, if you want to be a helpful advocate. (B) Find people to engage with and bring their input to your regular lives. [substeps] It's probably more useful if you find someone that speaks a clear, interesting opinion or personal statement. (C) By finding those who are spreading autism awareness, you will be able to discover the best group for you to join and connect with. A group cannot only support you emotionally and physically but also help you make quicker progress in projects for autism. (D) Search search for people in your community who are open to being social. If there are just a few of you, appeal to their interests and passions.

Ex Output:

C