In this task, you're given an article, a question which often contains a blank, four options (associated with "A", "B", "C", "D") and the answer to that question. Your task is to classify whether the given answer is correct or not by providing "Yes" or "No", based on the article.

Input: Consider Input: Article: A few months ago, millions of people in London heard alarms all over the town. The Emergency Services, the Fire Departments, the Police, hospitals, and ambulances stood by, ready to go into action. In railway underground stations, people read notices and maps that told them where to go and what to do in the emergency. This was Exercise Flood Call, to prepare people for a flood emergency. London wasn't flooded. In 1928, people living in Westminster, the heart of London, drowned in floods. And in 1953, one hundred people, living on the eastern edge of the London suburbs were killed, again, in the floods. At last, Greater London Council took actions to prevent this disaster from happening again. Though a flood wall was built in the 1960s, Londoners still must be prepared for the possible disaster. If it happens, 50 underground stations will be under water. Electricity, gas and phone services will be out of action. Roads will be drowned. It will be impossible to cross any of the bridges between north and south London. Imagine: London will look like the famous Italian city, Venice. But this Exercise Flood Call didn't cause panic among Londoners. Most people knew it was just a warning. One lady said, "It's a flood warning, isn't it. ? The water doesn't look high to me."
Question: What topic is treated in this passage?
Options: (A) Possible Damages Caused by Floods (B) Emergency Exercise in London (C) Flood Emergency in London (D) London Floods in History
Asnwer: D

Output: No

Input: Consider Input: Article: An astronomer is making a case for launching pop singer Justin Bieber into suborbital space aboard a private rocket ship. The idea is not to rid the world of the Canadian teenager -- he would come back down to Earth eventually, after all -- but rather to help jump-start the emerging suborbital spaceflight industry. It would generate a lot of public interest, which would help commercial spaceflight pick up some much-needed momentum, said Seth Shostak, senior astronomer at the Search for Extraterrestrial Intelligence (SETI) Institute in Mountain View, California. "If there's more interest, there are more customers. If there are more customers, there's more technical development. It's a positive feedback loop, and obviously that's good." Such missions would return to Earth without completing a full lap around the planet. Instead, the flights would hit the edge of space about 62 miles (100 kilometers) above Earth, experience a few minutes of weightlessness, then re-enter the atmosphere and land back at a spaceport. None of these firms are ready to fly customers yet, but some are getting close. For instance, Virgin Galactic hopes to begin powered test flights of its SpaceShipTwo vehicle later this year, with commercial operations perhaps beginning in 2013 or 2014. It is SpaceShipTwo that reportedly grabbed the attention of Beyonce and Jay-Z. Virgin Galactic has collected deposits from nearly 500 customers willing to pay $200,000 for a ride aboard SpaceShipTwo, and both Virgin and XCOR have inked deals to fly scientists and their experiments on research flights. So a suborbital market already exists -- but Shostak is thinking about ways to make it grow. A celebrity launch isn't Shostak's only idea. Suborbital firms should also promote their activities aggressively via social media, Shostak said, and they should make sure their spaceships are bristling with cameras both inside and out, to give the public dramatic views of every mission. Some observers view commercial suborbital spaceflight as a potentially transformative industry, saying it could serve as a stepping stone to the exploration and exploitation of space on an unprecedented scale. While the industry's success is far from assured, Shostak offered some reason for optimism: The American public remains keen on space.
Question: Why may Justin Bieber be sent into suborbital space?
Options: (A) To show his bravery and make him a role model for teenagers. (B) To arouse the American public's interest. (C) To help reform the spaceflight industry. (D) To film an advertisement about space.
Asnwer: B

Output: Yes

Input: Consider Input: Article: I've ridden a lot of buses in my time. There was the one in India that was so crowded, I had to climb onto the top just to breathe. Neither will I forget the bus in South Africa that was almost taken up by monkeys. No matter how entertaining they were at the time, none can compare to my first ride on what I now call the Leisure Village Local. When I first moved into Leisure Village, I didn't even know bus transportation was provided. Then I had an operation on my left foot and I couldn't drive. As I didn't want to keep making trouble for friends to shop for me, I decided to try out the Leisure Village Local. The next morning, undaunted, I stood with the support of my crutches and waited. Suddenly, the bus arrived. As soon as I boarded the bus, I discovered I was all by myself. Then the bus approached another stop, and four women climbed aboard. They sat next to me and introduced themselves. A few minutes later, we arrived at the Wal-Mart in Middle Island. As soon as we entered, one of my new friends showed me how to operate the motorized shopping cart . Another walked alongside the entire time, waiting to help if something was out of reach. One hour later, another insisted on carrying my bags onto the bus. And the fourth woman carried my bags to my front door when we got back. I thanked them all for their help, and told them I would see them soon. The next day morning, I found a brown paper bag at the front door. Inside was a giant bowl of chicken soup, and a note. "Get well soon." It was signed, "Your guardian angels." I rode the Leisure Village Local two more times later, but didn't see any of my guardian angels. Maybe they're helping someone else, I thought. Or, maybe they flew south for the winter.
Question: Why did the author decide to try out the Leisure Village Local?
Options: (A) He had an operation to carry out. (B) He has no other transportation choices. (C) He was not permitted to drive by local law. (D) He was too considerate to trouble his friends again.
Asnwer: D
Output: Yes