input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: What's the strongest part of your body? Your head? Bones? It's your teeth. There is a special thing called enamel in teeth. It is the hardest thing in the human body and keeps bacteria away. However, teeth are hurt easily to problems and disease. September 20 is National Teeth-loving Day in China. Let's pay attention to the health of our teeth. Teeth problems are common around the world. Most children and young adults have tooth decay . A study which come out on China Health Monthly magazine this year showed that 40.74% of a sample of 1,306 Chinese students under age 15 has decayed teeth. Food that is rich in sugar increases the risk of tooth decay. After you eat, bacteria go crazy over the sugar on your teeth. The bacteria turn sugar into acids that eat away at tooth enamel. This causes holes in your teeth. Another common problem is crooked teeth . When your new teeth begin to grow and the old teeth haven't fallen out, there isn't enough space for the new ones. This causes crooked teeth. Don't worry. Here are some ways to keep your teeth healthy. *Brush at least twice a day in the morning and in the evening. *Learn to use dental floss . The floss gets rid of food that's hidden where your toothbrush can't get it. *Visit a dentist. He or she can check if you have any dental problems and help you clean your teeth. *Pay attention to what you eat. It's better to eat lots of fruit and vegetables instead of fries and drink water instead of soda. *Wear braces to make your teeth straight and beautiful. Options: A Once you eat sugar, you must have decayed teeth. B Bacteria become strong over the sugar on your teeth. C Bacteria can turn sugar into acids that eat away at tooth enamel. D If you have decayed teeth, there may be holes in those teeth. Answer: A Once you eat sugar, you must have decayed teeth. Question:
++++++++++
output: Which of the following is NOT true about decayed teeth?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Greenland is the largest island in the world.It covers over 2,000,000 square kilometers.Most of the island lies inside the Arctic Circle ,and a huge sheet of icecovers 85% of its area. Along the sea mountains rising from the sea,there are a few low trees in the southwest,but no forests.In winter snow covers everything,but in summer very low plants cover the ground between the sea and the ice sheet.Norwegians were the first Europeans to see the island in AD 875,but no one visited it until 982.Three years later a few Norwegians went to live there.In 1261 the people in Greenland decided to join Norway.Norway and Denmark united in 1380.This union ended in 1814,and Greenland stayed with Denmark.Greenland is fifty times larger than Denmark,but it is still part of this small country. Options: A is the largest country in Europe B lies just on top of Europe C is connected with Denmark and Norway D mostly lies within the Arctic Circle Answer: D mostly lies within the Arctic Circle Question:
++++++++++
output: When you study a map of the world,you may notice that Greenland _ .

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: There was a beautiful garden. Every year the king would go to the garden to decide which flower was the most beautiful one. For the last few years, the rose was always Number One. Because of this, the rose Gulaab became _ It would never let birds stay on its flower. Then all the birds started staying away from Gulaab. Behind Gulaab, there was a little yellow flower. People called it Junglee. Junglee wasn't more beautiful than Gulaab, but it welcomed the birds to stay on its flower. All the birds in the garden liked it. This year the king went to the garden as before. The gardener pointed at the rose and said to the king, " Your favourite flower, my king." Of course, the king also saw the yellow flower behind it and asked, "What flower is that?" "Oh! That's Junglee, a wild flower." " I didn't see a flower like it before. There are so many birds on it. I think it's much more beautiful than the rose. It will be the King Flower of this year!" said the king. Options: A The king's garden B The clever king C The flowers and the birds D The most beautiful flower Answer: D The most beautiful flower Question:
++++++++++
output: What is the best title for the passage?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: In my life, I have received many gifts from my mother. The most important was my life. However, there's another special gift I will never forget. When I grew up, I left home and got a job in South America. One day , a call came from my brother, "Something is wrong with Mom. She's forgetful . She thinks we're hiding you from her..." I got back home at once. It was clear that she would not be able to stay in the house alone. For nearly 4 years I stayed with my mother and we had fun. We even planted some vegetables together in the garden. It was not easy for me. I had to stop working. When I had to leave , I had to ask someone to look after her or drive her to my brother's. When it became clear that she was near the end, family memebers were called to come to say their good byes. For 3 weeks my sister and I just sat with Mom, took long walks and spent some real time with each other. My sister and I were both with Mom when she was passing away , holding her hands and telling her how much we loved her. At the end of life, my mother gave me the gift of time with my sister in a way we would never have given ourselves. Options: A working hard B planning vegetables C building a garden D looking after her mother Answer: D looking after her mother Question:
++++++++++
output:
The writer spent 4 years _ .