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". 

Example Input: [header] How to travel abroad [title] Do your research. [step] You need to research where you are going, the flight times and prices for airlines, and which documents you need to take with you. Plan out your itinerary carefully. <sep> (A) Some cities, like london or paris, really need a week to see what they have to offer. Travel times also need to be taken into consideration. (B) For example, visit a couple of websites of airlines to see what type of itinerary they offer. Pay attention to the price, name, phone number and/or mailing address of each airline. (C) This will help ensure that all of your research enables you to see where you want to go. [substeps] Do research on an airline's website, and see what seat guides they offer on planes and what websites they provide online. (D) [title] Decide whether you will be flying from 1 area or from another. [step] International flights should likely be just a teaser.
Example Output: A

Example Input: A man appears in a white t-shirt and black pants, barefoot and begins to showcase martial arts moves. The man begins using moves that exhibit floor work and light tumbles along with a headstand. the man <sep> (A) then gets a table lined with 5 different obstacles and walks around with the across object. (B) continues using moves that are dark and completely off the vic to show talent. (C) progresses into controlled somersaults and side to side work along with high kicks. (D) pauses for a second and then starts to demonstrate more moves and touch tone.
Example Output: C

Example Input: A girl comes onto the screen and explains that she will be making some lemonade and shows the things that are needed. she <sep> (A) is attempting to take the lemonade from two cups that are standing outdoors, and attempting to make lemonade. (B) then walks to the sink and gives a very animated tutorial about the process and how to make them. (C) scoops some powder into a pitcher of water. (D) then returns to her strawberries and cucumbers and bashes them with a cucumber cocktail as well.
Example Output:
C