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:
This video gives the audience a step by step guide of how to make a pikachu cake. first <sep> (A) you pour 1-2-3 liquid sugar in two rople carmes and swirl it around in 1-1 dirt and pour it into large black buckets. (B) the person puts the chocolate mix in the sub, then spreads the lemon juice and she puts the company name and logo. (C) , put a plain chocolate aioli cake mixture in the small white bowl, then have a cherry and a y shaped wedge of lemon, is added in the cup and some attention begins to be taken to the present preparation, put a pineapple as it is representing strawberries and put the cherry on top the cake to the end of the cake. (D) , he searches the internet to find a pikachu character's face to fit the cake he's making.

Ex Output:
D


Ex Input:
A large dog and two small dogs are walking. Two of the dogs are tied together. a woman <sep> (A) walks next to them holding a leash for the other dog. (B) gets the dogs racket. (C) walks up to the dogs and ties their hands behind their back. (D) is trying to free the others, so one falls power washing.

Ex Output:
A


Ex Input:
[header] How to feel fresh and happy, all the time [title] Choose joy. [step] We humans tend to focus on the negative instead of the positive. Our minds give more importance to the negative aspects of most situations. <sep> (A) Part of feeling fresh is fixating on the positive things that can go on. Try to focus on those things while growing into a uniquely healthy human being. (B) Positivity is simply a force of social behavior. You want to attain happiness by accomplishing one important task at a time, starting with the worst task and then deciding on how to improve it. (C) If you don't believe it, think about this: a person is complimented six times in a day and criticized once, what does this person think about the most in the following days? Yes, the negative, apparently. Most people are like this: it is a survival mechanism. (D) Create a list of the negative things you've read about, the things you're grateful for, the things you've found in your life, and the things that make you smile. [substeps] Instead of focusing on physical bad things, replace them with positive ones.

Ex Output:

C