Question: Write a multi-choice question for the following article, with the given choices and answer: Article: In the past, going to a piano teacher was the most popular way to learn how to play the piano. You could get one-to-one teaching and have the opportunity to learn as much as the teacher knew. If you didn't have private lessons, you could still learn the piano, but you would have to teach yourself. This was easy for some, but very difficult for most. However, with technology developing today, there is at last another way that you can take piano lessons. You can take an online course. An online course is much cheaper than a private lesson. _ . You can take a whole online course in piano for just a fraction of the money that you would spend on weeks of private lessons. Also, private lessons are usually only one hour per week. So you would have to wait for your next lesson to continue your learning. However, online piano courses are quite different. With an online piano course, you can work at your own pace. You can also take as many lessons per week as you want, or go back and listen to your last lesson if you have forgotten anything. Most adults who want to learn how to play the piano enjoy being able to go back and listen to the lessons again. Of course if you need someone to sit beside you and offer you immediate feedback as you are playing, you might not get that from an online piano course. However, the lessons online can be viewed at any time, or as often as you'd like, which means that you can get your own type of feedback from an online piano course. Options: A By giving detailed data. B By giving many examples C By writing about his own experiences D By comparing with the old ways. Answer: D By comparing with the old ways. Question:
Answer: How did the writer make his points clear?

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: One person can make a difference -- purchase your copy of For America and discover simple ways to improve your life, your country, even the world. But a simple and attractive way to cut energy costs, improve air quality, and ensure public health is to grow a garden in the sky. Each time a city building is set up, the grass in that spot and trees that once reached up to the sky are replaced by a layer of asphalt or a tar roof . The lost green space can have a very real effect on a city's air temperature, air quality, and energy costs. On a summer day in most American cities, a tar roof can feel like the inside of an oven . But what if we could replace the hot roof of each skyscraper or building in a city with grass or a garden? Whether it holds vegetable gardens, wildflowers, or grasses, a green roof can lower the temperature above a building by 60 degrees, which can reduce the building's energy costs and, if used more widely, could decrease a city's total energy costs, and improve air quality and public health. But that's not all -- green roofs are a great way to handle water management in urban areas by taking in much rainfall, provide shelters for urban wildlife, and actually extend the life of the roof itself. And green roofs also do something else: they beautify the city -- whether you're on the 3rd floor or the 30th. Now that's a brilliant achievement. The non-profit group Earth Pledge is promoting a Green Roofs Program. To learn more about a green roof, just click here: EarthPledge.com. Options: A How to create a green roof. B The duty of the Earth Pledge. C The benefits of green roofs. D What to do with city pollution. Answer: A How to create a green roof. Question:
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[A]: What do you think the article will talk about if the passage continues?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: "Good morning!" said a woman as she walked up to an old man sitting on the ground. The man slowly looked up. He was Jack, who had been begging around here for a couple of years. "See thatcafeteria over there?" she asked. "I'm going to get you something to eat and get you out of the cold for a while." She sat down at the table across from her amazed dinner guest. She stared at him intently. "Jack, do you remember me?" Old Jack thought hard and said, "I think so--I mean you do look familiar." "I was thin and hungry," she said. "Maybe I've _ now more than when you worked here. That was when I was just out of college. I had come to the city looking for a job, but I couldn't find anything. Finally I was down to my last few cents and had been kicked out of my apartment. I walked in the streets for days, cold and hungry. I saw this place and walked in hoping that I could satisfy my hunger." Jack lit up with a smile. "Now I remember," he said. "I was behind the serving counter. You came up and asked me if you could work for something to eat. I said it was against company's policy." The woman continued, "Then you made me the biggest roast beef sandwich, gave me a cup of coffee, and told me to go over to a corner table and enjoy it. I was afraid that you would get into trouble. Then, I saw you put the price of my food in the cash register." "So you started your own business?" old Jack said. "I got a job that very afternoon. I worked my way up. Eventually I started my own business that, with the help of God,prospered." She opened her purse and pulled out a business card. "When you are finished here, I want you to pay a visit to a Mr. Lyons, the personnel director of my company. He'll find something for you to do around the office." She smiled, "If you ever need anything, my door is always open to you." There were tears in the old man's eyes, "How can I ever thank you?" he said. "Don't thank me;" the woman answered, "thank yourself. It was your kindness that let me know you." Options: A The beggar was once her friend. B She felt very pity for the beggar. C The beggar once offered her a free meal. D She once worked with the beggar. Answer: C The beggar once offered her a free meal. Question:
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output:
Why did the woman invite the beggar to dinner?