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 research the market before launching a product or service [title] Start by doing some qualitative market research. [step] You can do it with an agency or on your own. You only need few people (between 5 and 10) from your target market (potential customers) so it is possible to diy. <sep> (A) [title] Don't expect to work in a large company. [step] Meet people for a coffee, greeting and perhaps the business plan or abstract of a product you just started. (B) It can be very helpful to have people assisting in the research so you don't become too particular. [title] Conduct an analysis of the food, drug or cheese market. (C) The only important thing is not to choose some people that you know. This qualitative research has to be done in an objective and neutral way. (D) [title] Gather information in an essay, packet, card, book or letter. [step] This will help keep the reader engaged.

Ex Output:
C


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:
[header] How to handle a family members recent cancer diagnosis [title] Wait for all test results before worrying. [step] Doing this will ease the fear of the loved one you are supporting through this difficult time. [title] Reduce your own stress over the matter. <sep> (A) [step] As you wait for the test results to come in, use emotions to put on a front. Think of your happiness and positive things you know will go well as you wait and regret how you will handle the exciting news. (B) [step] Do this by being present during the actual test. Studies have shown that this will lessen anxiety by maintaining good mood throughout the entire journey. (C) [step] Keep your mind busy with things like work, reading, talking with friends (more on friends later ) [title] Research, research, research. [step] The internet is a wonderful resource when used properly, but remember not to take what you read as the absolute truth. (D) [step] That way, when your partner is diagnosed with cancer that doesn't involve any additional testing, you won't find yourself in the same situation all the time. This will make the experience easier and allow you to accept the news more calmly and respect your partner's wishes before such difficult things come up.

Ex Output:

C