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". 

Input: Consider Input: [header] How to exercise to prevent blood clots [title] Get up and move around. [step] Whether you're traveling by train, plane, or automobile, long-distance travel involves a lot of sitting. When you sit, you decrease circulation in your legs-especially if you sit with your legs crossed or with one foot under you. <sep> (A) If you are on a train or coach, the seat underneath you always feels flat, as if you are sitting. While there are good ways to stretch out your legs, there is not a lot a group of people can do. (B) This will help promote blood circulation to your feet. It will also keep you from rubbing your legs in an annoying manner-you can't promote blood flow when you're sitting on one leg. (C) [substeps] You can exercise while you drive or driving, although getting up and down on the exercise train can significantly improve circulation. You can also listen to music while you exercise, which will also help to prevent blood clots. (D) [substeps] If you're on a plane, try to get an aisle seat so you can get up and move around more easily. Ideally, you want to get up and stretch your legs or walk up and down the aisle once every hour or so.

Output: D


Input: Consider Input: [header] How to transfer money between bank accounts [title] Ask a teller to transfer. [step] The easiest way to transfer might be to stop into the bank and ask a teller to move some money around. Have your account information available and state how much you want moved and where. <sep> (A) A teller may be open to letting you move funds anywhere you prefer and how much you want to transfer. This will allow you to transfer money from another account directly into the bank. (B) You might need to fill out some slips at the counter. The teller should be able to help you. (C) Ask the teller if there is a " no processing fee " fee for this service. [substeps] This fee can range from $25 to $75. (D) [substeps] By moving your money, you are allowing your bank to know the funds being transferred. For example, in the us, the bank receives funds one month after a certain date as part of a maintenance check.

Output: B


Input: Consider Input: She later demonstrates how to remove the saddle off. She puts the new one on and then uses tools to tighten it back on. she <sep> (A) sits down on her horse and pulls out tools to apply the saddle to the back of the horse. (B) speaks to another woman while marking her cheeks while showing off. (C) puts the new one onto the horse's hind legs and allows the rear legs to dangle over the pommel. (D) uses a screwdriver to tighten the screws and adjust the level.


Output: D