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 start a local petition [title] Understand the issues in your community. [step] For a local petition drive, you will need to begin by understanding the important issues in your community. Read your local newspapers. <sep> (A) See if your town has government aid programs dedicated to conforming to local laws or new legislation. [substeps] Find support from local political and cultural organizations by asking other supportive people in your community for help. (B) Attend sessions of your city council or other local legislative body. Find out what people are saying or thinking about your issue. (C) Ask the kids at your school or daycare if they have noticed anyone else doing so. Try to check the elections board for any upcoming election. (D) Check websites like facebook and twitter for a local petition. [substeps] You can also organize the petition by taking several letters from your local newspaper.

Ex Output:
B


Ex Input:
[header] How to start a taxi company [title] Investigate whether there's a need for a taxi company in your area. [step] In smaller towns, the demand for taxis usually isn't so high, so considering a different location to start a taxi company might be a wise choice. [title] Determine your niche. <sep> (A) [step] What is the ideal type of taxi company or whether the need is a strong job market. However, there's also a reason you could (and probably should) start a taxi company for a fee. (B) [step] Taxi companies and vegans have a pressing concern in their treatment for foreigners in countries. Decide what you wish to be used for based on your niche and behaviors when applying for a taxi company. (C) [step] Though most taxi companies cater to all types of customers, there are those that cater to high-end clientele such as politicians, diplomats, and executives. Other taxi companies offer adapted vehicles for the physically impaired, while yet others provide green taxis for environmentally-conscious customers. (D) [step] To start a taxi company, you will first need to determine your own niche, and how much money you're willing to spend on the service. This is where you'll be able to make the hiring process go more smoothly.

Ex Output:
C


Ex Input:
A boy is using a pretend vaccuum cleaner inside a house. beside him <sep> (A) , a boy with spiky hair is shoveling snow and talking to the camera. (B) , a woman puts on more gloves. (C) walks a woman welding in the garden. (D) , a man is using a real vacuum on a rug.

Ex Output:

D