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.
Example: Article: Homework can put you in a badmood , and that might actually be a good thing. Researchers from the University of Plymouth in England doubted whether mood might affect the way kids learn. To find out the answer, they did two experiments with children. The first experiment tested 30 kids. Someshapes were hidden inside a different, larger picture. The kids had to find the small shapes while sitting in a room with either cheerful or sad music playing in the background. To test their mood, the scientists asked the kids to point to one of five faces, from happy to sad. Children who listened to cheerful music tended to point to the smiley faces while the others pointed to the unhappy ones. The researchers found that sad kids took at least a second less to find the small shapes. They also found an average of three or four more shapes. In the second experiment, 61 children watched one of two scenes from a film. One scene was happy, and the other was sad. Just like in the first experiment, kids who saw the sad scene acted better compared to the others. The researchers guessed that feeling down makes people more likely to focus on a problem or difficult situation. Not all scientists agree with them, however. Other studies argued that maybe, that cheerful music in the first experiment distracted kids from finding shapes. While scientists work on finding out the answers, it still might be wise to choose when to do your tasks according to your mood. After eating a delicious ice cream, for example, write an essay. 
 Question: Researchers did experiments on kids in order to find out _ . 
 Options: (A) how they really feel when they are learning (B) whether mood affects their learning ability (C) what methods are easy for kids to learn (D) the relationship between sadness and happiness 
 Answer: B
Example solution: Yes
Example explanation: It is clearly mentioned in the article that to the check effect of mood on children is the main purpose of the experiment. Hence, B is the correct answer and output is Yes.

Problem: Article: The ancient whistled language of the small island of La Gomera, off the coast of Africa, is about to disappear because of new technology and globalization. Now, a web company has taken on the task of saving the language by marrying history with technology. Silbo Gomero, a language used only on La Gomera Island, sounds to the untrained ear like few other known languages. The sounds that make up this language are made by whistling, rather than by speaking. The language was brought to the island by African setters many centuries ago. To communicate among the  _ populated inland hills and valleys, shepherds   had to use the whistled language, which could be heard and understood over distances of up to eight kilometers, compared to about 200 meters for a spoken word. With the development of new technologies like the cellphone, the number of Silbo Gomero whistlers has declined to around 1,000. Many of the older generation of islanders fear the language, which they consider to be a cultural symbol, may become extinct. To save Silbo Gomero, Busuu.com, a website based in Madrid, has launched a movement to teach Internet users worldwide to communicate using the language's unique whistles. "We really like the whole story of Silbo Gomero because it is really a fun language, " said Bernard Niesner, the company's co-founder.  Niesner says one of the founding principles of the website was to promote learning languages in danger of extinction. "If Busuu.com really works out like we think, it would be an amazing tool for language learning all over the world," Niesner said. "The name of our website itself comes from Busuu, a language that is spoken by only eight people." 
 Question: Compared to other languages, Silbo Gomero is special because it   _  . 
 Options: (A) has a very long story. (B) was once very popular in Africa. (C) doesn't use sounds (D) is spoken by whistling 
 Asnwer: C

Solution: No