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.

[EX Q]: Article: When people talk about Golden Age in Leadville, Horace Austin Warner Tabor and his second wife, Elizabeth McCourt must be included. Their story is becoming one of the legends of the Old West. H.A.W.Tabor was a school teacher in Vermont. With his first wife and two children he left Vermont in 1855 to settle in Kansas. Perhaps he was attracted by rumors of fortunes to be made in Colorado mines. A few years later he moved west to the small Colorado mining camp known as California Gulch, which he later renamed Leadville when he became its leading citizen. "Great deposits of lead are sure to be found here."he said. As it turned out, it was silver, not lead, that was to make Leadville's fortune and wealth. Tabor knew little about mining himself, so he opened a general store selling everything from boots to salt, flour, and tobacco. He often "grubstook" miners, in other words, to supply them with food and supplies, or"grub", while they looked for more. In return he would get a share in the mine if one was discovered. He did this for several years,but nobody he helped ever found anything of value. Finally one day in the year 1878, so the story goes, two miners came in and asked for "grub".Tabor had decided to quit supplying it because he had lost too much money that way. They were persistent, however, and Tabor was too busy to argue with them, " Oh help yourself. One more time won't make any difference," He said and went on selling shoes and hats to other customers. The two miners took $17 worth of supplies, in return for which they gave Tabor a one-third interest in their findings. They picked a barren place on the mountain side and began to dig. After nine days they struck a rich amount of silver. Tabor bought the shares of the other two men, and so the mine belonged to him alone. This mine, known as the "Pittsburgh Mine,"made $300 000 for Tabor in return for his $17 investment. Later Tabor bought the Matchless Mine on another barren hillside just outside the town for $117 000. This turned out to be even more successful than the Pittsburgh, earning $35 000 worth of silver per day at one time. Leadville grew. Tabor became its first mayor.
Question: According to the passage, why was Tabor able to achieve great success in Leadville?
Options: (A) His wise decisions helped him achieve goals. (B) He knew miners there were poor. (C) He succeeded quite by accident. (D) His second wife helped him a lot.
Asnwer: B
[EX A]: No

[EX Q]: Article: Robots make me nervous-especially the ones which seem to think for themselves.I was embarrassed to admit this till I heard that Bill Gates,the founder of Microsoft,felt the same way.Gates said in an interview with the website Reddit:"I am in the camp that is concerned about super intelligence.First the machines will do a lot of jobs for us and not be super intelligent.That should be positive if we manage well.A few decades after that though the intelligence is strong enough to be a concern." Well,maybe I don't have to worry about my laptop and kitchen appliances yet.After I use them I can always pull the plug.But in the future,machines might find a way to prevent us from switching them off.There's a scary thought! Professor Stephen Hawking warned a few months ago about the possibility that artificial intelligence could evolve and end up beyond human contro1.He suggested that machines could" _ the end of the human race". Maybe the problem with computers too clever for us is not that they are evil or rebellious.What could put us in danger is that they might be too efficient.That's what philosopher Nick Bostrom from the Future of Humanity Institute at Oxford University believes.He says that machines are indifferent to humans and in pursuit of their own goals,the destruction of people might be just collateral damage.A machine would not take pity on you. I'm glad my machines at home are"dumb".All my vacuum cleaner wants to take over is the carpet in my living room.Let's hope they don't create an appliance which wants to take over the world!
Question: We can conclude from Gates'statements that _ .
Options: (A) he is embarrassed that he is afraid of robots (B) he doesn't think machines are intelligent (C) machines should be fully employed (D) machines'super intelligence should be a concern
Asnwer: D
[EX A]: Yes

[EX Q]: Article: People talk about energy everywhere. Green energy, for example. Then, energy independence. It has a nice ring to it. Doesn't it? If you think so, you're not alone, because energy independence has been the dream of American president for decades, and never more so than in the past few years, when the most recent oil price shock has been partly responsible for kicking off the great recession . "Energy independence" and its rhetorical companion "energy security" are, however, unreliable concepts that are rarely thought through. What is it that we want independence from, exactly? Most people would probably say that they want to be independent from imported oil. But there are reasons that we buy all that oil from elsewhere. The first reason is that we need it to keep our economy running. Yes, there is a trickle of biofuel available, and more may become available, but most biofuels cause economic waste and environmental destruction. Second, Americans have basically decided that they don't really want to produce all their own oil. They value the environmental quality they preserve over their oil imports from abroad. Vast areas of the United States are off-limits to oil exploration and production in the name of environmental protection. To what extent are Americans really willing to tolerate the environmental influence of domestic energy production in order to cut back imports? Third, there are benefits to trade. It allows for economic efficiency, and when we buy things from places that have lower production costs than we do, we benefit. And although you don't read about this much, the United States is also a large exporter of oil products, selling about 2 million barrels of petroleum products per day to about 90 countries. There is no question that the United States imports a great deal of energy and, in fact, relies on that steady flow to keep its economy stable. When that flow is interrupted, we feel the pain in short supplies and higher prices. At the same time, we get massive economic benefits when we buy the most affordable energy on the world market and when we engage in energy trade around the world.
Question: What does the author say about energy independence for America?
Options: (A) It sounds very attractive. (B) It ensures national security. (C) It will bring oil prices down. (D) It will protect the environment.
Asnwer: A
[EX A]:
Yes