input question: Write a multi-choice question for the following article, with the given choices and answer: Article: David hated spending money. When he had to buy something in a shop, he always tried his best to knock down the price, even for the cheapest things. If he wanted to buy a bottle of orange, for example, and the shopkeeper asked for $2, David would say, "Make it $1.90 and I'll buy it." Sometimes the shopkeepers agreed to _ their prices a little. "What's ten cents?" they asked themselves. "If it makes this man happy, it won't hurt me very much." In this way David saved a few cents here and a few cents there, and by the end of the year he had saved several hundred dollars. One day he had a very bad toothache and had to go to the dentist. The dentist looked at the tooth and said, "This tooth will have to come out. It's too serious to save." "How much must I pay you to take out a tooth?" David asked. "Forty dollars," the dentist said. "How long will it take you to pull out the tooth?" he asked. "About two minutes," the dentist answered. "Forty dollars for two minutes' work!" he shouted, "That's robbery ." The dentist smiled. "You're right," she said. "Thank you for telling me. I'll pull your tooth out very slowly. How about if I take half an hour?" Options: A too little time to pull out a tooth B too little time to pay the dentist $40 C too long to pull out a tooth D too short for the dentist to finish the operation Answer: B too little time to pay the dentist $40 Question:???
output answer: David thought that two minutes was _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: The sun comes up in the east and goes down in the west. When the sun rises, It is morning. When the sun sets, it is evening. When the sun is shining, it is day. Morning is the time between sunrise and twelve o'clock, or between sunrise and lunch. At twelve o'clock, the sun is the highest in the sky over our heads. The sun is overhead at noon. The sun shines during(......)the day. The moon and the stars shine during the night. When the sun rises, it is light. It's light during the day. During the night, if the moon is not shining, it is dark. What are the days and nights like in summer? In summer the days are longer and the nights are shorter. What about in winter? In winter, the days are shorter and the nights are longer. Options: A longer B short C long D shorter Answer: A longer Question:???
output answer: In summer, the days are _ than the nights.

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: There are different ways to store fish. One way to keep fish for future use is canning it. We'll have this article describing, step by step, how to prepare dried fish. Begin with fish that are out of the water. If the fish are small, leave their heads on. Cut off the heads if the fish are longer than twenty centimeters or weigh more than one hundred fifteen grams. Now clean the freshly caught fish. Cut off the scales and cut open the stomach. Remove everything inside. Then wash the fish in clean water and fill salt into them. Next, put the fish in a container with a solution of three hundred grams of salt and one liter of water. This will remove the blood from the meat. Keep the fish in the saltwater for about thirty minutes. After that , wash them again in clean water. Next, put the fish in a solution that has more salt in the water. The water should be salty enough so that the fish can float to the top. If the fish sink to the bottom of the container, add more salt to the water. Cover the container with a clean piece of wood. Place a heavy stone on the wood to hold it down. Leave the fish there for about six hours. After that, remove them from the saltwater and place them on a clean surface. Cover the fish with a clean piece of white cloth and let them dry. ,. Options: A About all kinds of fishes. B About how to store fish. C About how to cook. D About food. Answer: B About how to store fish. Question:???
output answer: What is this article mainly about?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: The first crocodiles lived on the Earth about 240 million years ago. How much do you know about these dangerous animals? Here are some amazing facts about them. * The biggest crocodile is the saltwater crocodile. It can be as long as seven metres! * If you take a bright light at night over a river with crocodiles inside, you will see pairs of red spots . Those are the crocodiles' eyes. They can see well at night. * When you see a crocodile with its mouth open, don't be _ . That just tells you it's too hot. * On the beach, crocodiles get tired very quickly, but they can stay in the water for 2-3 hours. * Most crocodiles can live up to 70 years old! Options: A lovely B dangerous C fun D cool Answer: B dangerous Question:???
output answer:
The writer thinks the crocodile is _ .