input question: Write a multi-choice question for the following article, with the given choices and answer: Article: "Green" is more than just a color. It also means taking special steps to protect the environment--the water, the land, and the air we breathe. Why green? Plants are green, and without them the earth wouldn't be such a lovely home for us human beings. Every day, people make choices that affect the amount of trash and pollution that gets produced in our world. What can you do? A whole lot, actually. Here's a four-step guide to being green: Reduce the amount of stuff you use and throw away. Reuse stuff when you can. Recycle cans, bottles, paper, books, and even toys, Sometimes water can be. For instance, some communities take used water - like from the washing machine and shower - and clean it up so it's safe to use for watering the grass and flowers. Enjoy the Earth - walk in the woods, plant a tree, and eat some of the delicious food it produces. Here's a list of other stuff you can reduce: Close the switches when you're not using lights. Turn off the water when you're brushing your teeth.. When you can, walk or ride your bike instead of driving in the car. You'll use less gas - and get some exercise! Turn off for your phone and MP3 player when you're not using them. Put your computer to "sleep" instead of leaving it on with the screensaver running. Options: A Throwing away the books you don't use B Taking used water to water flowers and grass. C Turn off the water when you're brushing your teeth. D Turing off the lights when you aren't using.' Answer: A Throwing away the books you don't use Question:???
output answer: _ can't reduce the stuff.

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: There are a lot of reasons why growing your own food is a good idea. GIY helps reduce carbon dioxide(CO2) emissions . Food in supermarkets travels a long way and that produces a lot of CO2. If you grow as many vegetables as you can at home, you can help save the earth. Vegetables you grow are also good for your health because they have more nutrients than supermarket vegetables and they don't have chemicals. How much money can you save? First of all, seeds are a lot of cheaper than vegetables, and secondly, you can save more by planting the most expensive and the most productive vegetables. You can give your vegetables to fiends and neighbors. It can make you very popular. Don't worry if you don't have much space. To GIY, you don't even need a garden. You can use pots on your balconies . And don't worry if your space doesn't get much sun. You can plant vegetables that don't need a lot of sun to grow. Grow your own vegetables now. You will have both a healthier body and a healthier social life. Options: A One. B Two. C Three. D Four. Answer: D Four. Question:???
output answer: How many reasons do people have to grow their own food?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: The earth is changing. Tomorrow it will be different. All the living things on the earth are changing. Even people are changing, and tomorrow you will be different. There are many kinds of change, and many different things than cause change. People need to realize the changes, to learn to see them, and to learn what causes change. Human beings must solve many problems so that they can continue to live successfully. War is one of these problems. Disease and natural _ are problems. Having enough food and energy for the growing number of people in the world is a problem. Most problems can be solved, but some are impossible to solve. The way in which people solve problems affects how long and how well they can live. As people solve their problems, they change things, and changes often cause new problems for people and for other living things on the earth. Sometimes the new problems seem even worse than the old ones. Human beings will probably never stop having problems to solve. Can you use your imagination to describe a world that has no problems at all ? Options: A Disaster and war are two of the problems people have to solve. B People need to solve all the problems at the same time. C The way people solve problems has much to do with their life. D People can't solve all the problem at one time. Answer: B People need to solve all the problems at the same time. Question:???
output answer: Which of the following if wrong according to the passage ?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mr. and Mrs. Green had different ideas about where to go last weekend. Mrs Green wanted to go to Florida to see her sister, but Mr Green didn't like to go there. He wanted to go to Maine . "Florida is too hot in summer," Mr Green said to Mrs Green. "Maine is quite cold," said Mrs Green, "I like swimming, but the water in Maine is usually not warm enough." "Florida is too far," said Mr Green, "We don't have enouh time to drive there. It'll take us more than two days." Just then, the telephone rang. Mr Green answered the phone. It was his mother. "Is that Jim speaking? Please cme quickly. I need help. I'm calling from the hospital in Boston." She said. They stopped the discussion , and they left for Boston at once. Options: A Mr Green. B Mr Green's wife. C Mr Green's mother D Mr Green's son Answer: C Mr Green's mother Question:???
output answer:
Who called them when they were talking?