instruction:
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.
question:
Article: If you were walking around a supermarket and saw a woman with a shaved head, a ring through her nose, a tattoo design on her arm and she has a small child in her shopping _ , what would your opinion be? Do you think this kind of body decoration is attractive or ugly? Different people have different ideas. The following are some examples of body decoration from around the world. In many parts of Africa, it is thought that an attractive girl should have really shinny skin. On Bali, a little island in Indonesia, they believe that a beautiful woman or handsome man must have perfectly straight, flat teeth. The Balinese believe that teeth with pointed edges make you look like an ugly wild animal. So when a girl or boy becomes a teenager, he or she is taken to a special person in their village who will file off teeth points to make them smooth and flat. There is no anesthetic and this tooth filing is really painful. It is a kind of test. If you can stand it without screaming or crying too much, then you are thought ready to become an adult. In Myanmar, there is a small group of people who are called the "Papaung". They believe that a woman can only be really beautiful if she has a long neck. I mean a VERY long neck. Now you might think that you are either born with a long or short neck and that there's nothing whatever you can do about it. But you would be wrong! At around the age of 5, a Papaung girl has heavy metal rings fitted around her neck, tightly between the chin and shoulders. Each year more rings are added and very, very slowly their weight pushes the shoulders down, in this way making the neck look longer. A Papaung woman will wear her neck rings all her life, never once taking them off. So now I'm sure you will all agree that different people have different ideas about what is beautiful.
Question: On Bali, it is believed that _ .
Options: (A) a person with straight, flat teeth looks ugly (B) a person with sharp teeth looks ugly (C) a teenager's teeth points must be filed off with anesthetic (D) no one will scream or cry when having his teeth points filed off
answer:
B

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Article: Computers are very important to modern life.Many people think that in the future computers will be used in lots of everyday life.It is thought that we won't have to go shopping because we will be able to get most things which are sold in shops on the Internet.There will be no more books because we will be able to get all texts from computers.The Internet will be used to play games, see films and buy food.Most telephone calls will be made by computers, too. Some people are glad about those new ways of shopping and communicating .Others do not think that computers will replace our old ways. Some people think that one day we will not read books made of paper. Instead, we will buy and read books using computers, which will keep many different books in them at the same time.We won't need to turn lots of pages and paper will be saved.Computerized books will be used more and more. While many people say it is a pleasure to go into shops and look at things you want to buy.It is also unlikely that many people will want to read large texts on our computers. Because paper books will perhaps be more friendly.Maybe computers won't change these two habits.
Question: Which is the main idea of this passage?
Options: (A) People like going shopping (B) Reading books is important (C) Computers are important (D) Computer can be used to play games
answer:
C

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Article: For most teenagers, swapping an old mobile phone with a friend for the latest album or movie ticket might be considered a good trade.But 17-year-old Steven Ortiz set his sights a little higher, and -- after a series of swaps -- is now driving himself to school in a Porsche.The youngster started exchanging items two years ago after a schoolmate gave him an unwanted phone.Through a series of online swaps, Steven worked his way up through newer phones, laptop computers, and street bikes before landing the prized Porsche. Steven developed a love for online trading long before taking up the swaps that led to the Porsche.As a young teenager, he would buy his friends' unwanted mobile phones for around PS20, clean them up and sell them over the Internet for three times that amount. His father, Esteban Ortiz, said Steven was also useful to have around when the family needed something like a new washing machine, as he would use his nose for a bargain to pick up somebody's discarded appliance for next to nothing and fix it up cheaply."I think this is teaching him something.I want him to go to college, and make something of his life.He is learning the value of things, responsibility and negotiation skills." Steven got his first car at 15, but he was too young to drive, so he traded for a golf cart before moving back into cars when he got his license a year ago.Steven said swapping the Bronco, worth about PS10,000 at the time, for the Porsche was actually a trade down because the car was valued at PS6,000.Another downside is the running costs.He must pay PS100 every time the Porsche needs an oil change, and $1,000 for a routine service. Steven, however, still has some way to go before matching the achievement of Canadian Kyle MacDonald, who became famous four years ago for turning a single red paperclip into a two-storey farmhouse through a series of trade.
Question: What's the order of Steven's swapping process? _ .
Options: (A) An old phone - a new phone - a street bike - a laptop - a Porsche. (B) An old phone - a new phone - a laptop - a street bike - a Porsche. (C) An old phone - an album - a new phone - a laptop - a street bike - a Porsche. (D) An old phone - a movie ticket - a new phone - a laptop - a street bike - a Porsche.
answer:
B