In this task, you're given an article, a question which often contains a blank and four options (associated with "A", "B", "C", "D"). Your task is to find the correct answer (from the given options) for the question from the given article and return one of the options from "A", "B", "C", and "D". Do not generate anything else apart from one of the following characters: "A", "B", "C", "D". There is only one correct answer for each question.

Ex Input:
Article: As a funny student, Brian loved watching comedies best and hoped to become a comedy actor one day. When he heard about the talent show to be held at this school, Brian decided to take part in it. He had never acted in public before, and he was very excited. But some students laughed at him. "You are not funny but silly," Ken, one of his classmates, said to his face. "No one will like what you do," another boy also said to him, loudly. Brian couldn't understand why they were so unkind to him. For a moment, he thought about giving up the show. But he remembered how much his friends liked his jokes, and also his teachers said he was very funny. So he decided to prepare for the show. Brian did a great job at the talent show. Everyone loved his performance , and he won the first prize! His teachers and friends were proud of him. Even so, Ken told Brian that he was not funny, and that he would never be successful. Brian didn't understand why Ken said so, but he realized that it had nothing to do with him. He confidently continued to work towards his dream. As the years went on, Brian met more people like Ken. "You'll do a terrible job," they said to him. Luckily, most people encouraged him and some helped him to become even funnier. He got a lot of chances to perform in movies. He was even invited to appear on television. His fans thanked him because his comedies made them feel good when they were unhappy. Now Brian is a big comedy star! He is doing what he loves best. He never feels worried like those unkind people, and he laughs all day long!
Question: What was Brian's wish as a student?
Options: (A) To be a comedy actor. (B) To go to a famous university. (C) To take part in a talent show. (D) To make more new friends.

Ex Output:
A

Ex Input:
Article: Want to be a volunteer for Beijing Olympics in 2008? Recently, the recruiting started. The recruiting of Beijing Olympics Volunteer starts from Aug 28, 2006 to end of March 2008. Stage 1: Beijing Volunteers From August 28, 2006, the program opens to applicants in Beijing (and Beijing only). Stage 2: China Volunteers From Dec, 2006, people from outside Beijing can submit their application. Stage 3: Overseas Volunteers By March 2007, people from outside China (including in other countries) can apply for volunteering in Olympics 2008. The Program Travel, hotel are not provided. Only working meal is available for volunteers (makes sense, isn't it?) If you have any questions, just call Olympics Volunteer hotline: +86-10-12308 According to news, 100k college students have applied for the position after three days of recruiting. 50,000 to 100,000 volunteers are needed for the game. If you want to participate, just call the number and ask more questions about the program. However, my guess is, to be admitted to the program is not easy.
Question: Who has the most time to apply for volunteering in Olympics 2008 ?
Options: (A) Liling from Beijing (B) Wangbing from Tianjin . (C) Jane from Australia (D) Dongdong from Yunnan.

Ex Output:
C

Ex Input:
Article: Buckingham Palace is where the Queen lives. It is the Queen's official and main royal London home.Buckingham Palace was originally a splendid house built by the Duke of Buckingham for his wife. George IV began changing it into a palace in 1826. It has been the official London home of Britain's royal family since 1837. Buckingham Palace is also an office and used for the administrative work of the royal family. When the Queen is at home you can see her royal flag (the Royal Standard) flying from the flag pole on top of Buckingham Palace. The flag is divided into four equal parts. The first and fourth parts represent England and contain three gold lions waking on a red field; the second part represents Scotland and contains a red lion standing on a gold field; the third part represents Ireland and contains the gold coat of arms of Ireland on a blue field. In flag protocol , the Royal Standard which must only be flown from buildings where the Queen is present is supreme . It flies above the British Union Flag (the Union Jack ), and other British flags. It never flies at half mast. The guards of the Palace wear red jackets and tall, furry hats. When the first guards come on duty, there is a ceremony called the Changing of the Guard. A familiar sight at Buckingham Palace is the Changing of the Guard ceremony that takes place in the open space in front of it each morning. The Palace has around 750 rooms, including 19 state rooms, 52 royal and guest bedrooms, 78 bathrooms, 92 offices, a cinema and a swimming pool. It also has its own post office and police station. About 400 people work at the Palace, including servants, chefs, footmen, cleaners, gardeners, electricians, and so on. More than 50,000 people come to the Palace each year as guests to dinners, receptions and Royal Garden Parties.
Question: For whom was the original Buckingham Palace built?
Options: (A) The Duke of Buckingham. (B) George IV. (C) The Duke of Buckingham's wife. (D) George IV's wife.

Ex Output:
C