Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: You might not know it, but there is something wonderful at your fingertips. You can make people happier, healthier and more hard-working just by touching their arms or holding their hands. Doctors say that body contact is a kind of medicine that can work wonders. When people are touched, the quantity of hemoglobin -a type of matter that produces the red color in blood increases greatly. This results in more oxygen reaching every part of the body and the whole body benefits. In experiments, bottle-fed baby monkeys were separated from their mothers for the first ten days of life. They became sad and negative. Studies showed the monkeys were more probable to become ill than other babies that were allowed to stay with their mothers. Human babies react in much the same way. Some years ago, a scientist noticed that some well-fed babies in a clean nursery became weak. Yet babies in another nursery were growing healthily, even though they ate less well and were not kept as clean. The reason, he concluded, was that they often had touches from nurses. Experiments show that most people like being touched. And nearly all doctors believe touch helps to reduce patients' fear of treatment. Of course there is time when a touch is not welcome. But even if we don't like being touched, a smile can make us feel better. Smiling increases blood flow and starts the production of "happy brain" chemicals. So let's have a big smile and don't forget to keep in touch. Options: A Why People Touch B Smile and Touch C Wonders of Touch D Touch or Not Answer: C Wonders of Touch Question:
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The answer is:
The best title for the passage might be _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: There was a Bulgarian boy who was an exchange student in the USA. He lived with an American family. One day, he went to his room in the evening, and did his homework. His host-mom came to him and asked if he would like to go along to the movies. He wanted to go, so he shook his head from side to side, said "Yes". His host-mom did a couple of steps back, and looked puzzled. She thought that he didn't want to go out because he shook his head from side to side. However, he wanted to go out to the movies. Bulgarians shake their heads from side to side when they mean "yes". People in other countries shake their heads from side to side when they mean "no". Gestures can have different meanings according to different cultures. For example, in America, putting your index finger and your thumb in a circle is commonly used as an OK sign that means everything is all right. However, in France, that sign is used to express "nothing" or "zero", which can have a negative meaning. Generally speaking, gestures are a type of communication that uses a part of our body, and when speaking with people from other cultures, gestures can be important keys or clues to understand them. However, we need to understand that those gestures vary from culture to culture, and it is necessary for us to have an open mind in understanding the different gestures. Options: A Americans dislike Bulgarians because they have different gestures. B Understanding gestures is not important in daily conversation. C Different types of gestures are used in different cultures. D It's better to have same types of gestures all around the world. Answer: C Different types of gestures are used in different cultures. Question:???
output answer: What is the main idea of this article?

Please answer this: Write a multi-choice question for the following article, with the given choices and answer: Article: The United States is not part of the Kyoto Protocol.But since 2005 more than 1,000 mayors across the country have agreed to sign their own version of the protocol. It is called the United States Conference of Mayors' Climate Protection Agreement.Local leaders have agreed to follow the suggestions of the Kyoto Protocol in their communities.They have also agreed to urge state and federal governments to follow these suggestions.One goal is to reduce air pollution to the 1990 levels by 2012. A "green" city might work on several kinds of environmental goals and programs.These include air quality,reducing electricity use, green building, public health, the reuse of materials, water quality and clean transportation. The Natural Resources Defense Council works to protect the environment through action, law and science.One of its online projects is called Smarter Cities, which lists some cities that have made important environmental steps. Washington,D.C.is also a leading city for green roofs,with over 92,000 square meters of green rooftops.The city also launched a program called "Skip the Bag,Save the River."Stores charge people a fivecent tax for using plastic or paper shopping bags instead of reusable bags.Money from the tax will be used to clean up a local river. New York City is using water as a renewable energy source.For several years, the city has experimented with water in the East River to create energy.Officials operating the program recently asked for permission to put into place 30 river turbine devices. The people of Portland, Oregon are among the top recyclers in the nation.People living there recycle over half of the waste they throw out.The city has also worked to provide green transportation by providing safe bike paths and free parking spaces where electric cars can get recharged. In Oakland, California, you can ride on one of several public hydrogenpowered buses.These buses release zero pollution into the air.However,they cost about five times more than common buses. Options: A To clean a local lake that has been polluted. B To get enough money for the green roof project. C To prevent shoppers from using reusable bags. D To collect money for an environmental project. Answer: D To collect money for an environmental project. Question:
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Answer:
Why are shoppers charged a fivecent tax for buying shopping bags?