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 lady and a girl on a raft on a snowy hill. The lady and a man push people down the hill. the people <sep> (A) slide in rafts down the hill. (B) are riding canoes and going on fishing trips. (C) ride down hill on their skateboards and the camera watches them. (D) are then seen skiing down the mountain.

Ex Output:
A

Ex Input:
[header] How to find an email address for free [title] Start with a google search. [step] If you haven't already done it type the individuals name into google in quotations. If you know the town or city that they reside in you can type that in after a plus sign like so. <sep> (A) [substeps] Learn what their email address is before you send your email; if you can't find it on the address list, ask your secretary for recommendations. [title] Click the green " search for [your email name] " button at the bottom of the part titled " contact us. (B) [title] Add the zip code to the search. [step] For example, if you're searching for mr. (C) If you know where the person lives, type their telephone number into the first field, then search in the name field as well. If they don't have a home address, type their city and zip code into the fields provided, checking that you know your state's code. (D) Furthermore if you know their profession you could type something like [title] Search the social networks. [step] The popularity in social networking sites like myspace and facebook have escalated in modern times.

Ex Output:
D

Ex Input:
[header] How to write a market description [title] Plan time for research. [step] Before launching your business, schedule some time to compile information about your competitors, potential customers, and the industry or sector you are entering. Use government databases, like those available from the u.s. small business association, for information. <sep> (A) You can also find information on marketing activities, sales figures, website structures, and trade pages, if you have access to them. [substeps] Getting background information about your competitors can be a great way to gauge how you are going to approach your market. (B) This will give you a good idea of who is implementing your market listing. [substeps] Where are your competitors? As a general rule, you will want to research each company individually and achieve a working comparison with each before giving any product or service. (C) [substeps] Keep a notepad on hand and jot down good summaries of the names and demographics of your local businesses. Consider using google search engine skills to find out more. (D) Business magazines, academic or trade associations, and local business bureaus can also be helpful. [substeps] Before writing a market description, be aware of the " iceberg principle.

Ex Output:
D