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 Q]: They are traveling to the event together and check into a hotel. The entire team spends time together before the event. two of the team members <sep> (A) are quick to start and begin to fence. (B) play volley ball with the team mates. (C) talk about their experience with the water polo event. (D) are dressed in some sort of uniform and they run on the stage and join the march.
[EX A]: C

[EX Q]: [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 A]: C

[EX Q]: [header] How to safely label your children's items [title] Label difficult to remove areas. [step] Labels on tags, for example, can be easily cut from clothing. This will make it easier for potential thieves to remove the labels that indicate the clothing is yours. <sep> (A) A label on the fabric of the clothing, however, will be difficult to remove without doing damage. [substeps] Consider labeling the inside collar or bottom hem of shirts. (B) [substeps] Make sure to cut your labels from accurately marked clothes when storing them. Use your tape to label either of the marked clothing items with something associated with your kids' age group. (C) [substeps] Long, thin labels also look tricky when they cut, leaving very little room for further labeling. This method can bring some companionship to children who go through a display of identifying labels, especially when trying to remove items. (D) The tags are often marked with relevant identifying information, such as age, gender, religion, or hair color. [substeps] If you are out at night and not cleaning up, place a sticker on the back of the item to mark it as yours.
[EX A]:
A