input: OPTIONS:
- You'll lose the information if its file format is not supported.
- You can carry hundreds of books in an e-book reader.
- You can buy cheap e-books anywhere.
- You can read e-books at any time. Now, answer this question: Read the following article and answer the question. Article: E-book is short for electronic( ) book. It is usually read on personal computers. Some mobile phones can also be used to read e-books. Earlier e-books were written for a specific group of readers and were about only a few subjects. With the development of the internet, knowledge and answers to a lot of questions mainly come from e-books. This is why the e-book business is increasing quickly E-books have many advantages. First, they save time. We don't need to go to a bookstore to buy books, besides, we can find the topic we want to know about on the Internet, and then we can quickly get many e-books on similar topics. Second, e-books save money. Some e-books cost a little money, and there are millions of e-books on the Internet that we can get for free. Third, more trees are saved because e-books don't need to be printed on paper. Fourth, e-books make reading more convenient. You can carry a whole library of hundreds of books with you in a small computer or any e-book reader without worrying about their weight. But e-books have certain disadvantages. They need a personal computer or an e-book reader and the information can be lost if its file format is not supported or changed in the reader's computer. However, e-books provide us with a new way of reading. That is good. ,. Question: What is the disadvantage of the e-books? Answer:
A:
output: You'll lose the information if its file format is not supported.

input: OPTIONS:
- Zhu Zhiwen is 45 years old now.
- Mrs. Sun enjoys Zhu Zhiwen's songs.
- A famous singer taught Zhu Zhiwen to sing.
- Zhu Zhiwen often sang for his fans when he was young. Now, answer this question: Read the following article and answer the question. Article: Do you know who is the most popular star on the Internet now? Yes, he is "Brother Coat" Zhu Zhiwen! A few months ago, Zhu Zhiwen was an unknown farmer. A video of his show has been watched by more than millions of people,now his videos are the most popular. Zhu Zhiwen attracts Chinese netizens' hearts. And he is called "Brother Coat" by them. In March 2011, he took part in a program called "I'm a Big Star". He walked out onto the stage in a dark green coat. Then he began to sing the song of the TV drama Romance of Three Kingdoms. When the audiences heard rich and powerful voice,all of them stood up and cheered. After that, he became a well-known person. The judges asked him if he had any professional training. Zhu said no. "When he started, I thought someone played the original tape by mistake. But later on, I got it, " said one of them, "we can't _ ." At last, he won the first prize in the program of "I'm a Big Star". Zhu Zhiwen was born in a village of Shandong in 1969. He liked listening to the radio. When the music played, he sang it along. Every morning, he would get up early and practiced singing near a river. He keeps doing it for nearly 30 years. "When I'm working in the fields, "said Zhu Zhiwen, "I often sing for myself, some villagers even think me crazy,but I really love it. I'm not singing for money, I'm singing for ordinary people in China." Mrs. Sun, a 56-year-old engineer, one of his fans said, "I watched his videos without getting tired of it! It is so amazing, and every time I watch it, I am filled with excitement and his voice is perfect! I am crossing my fingers in hope that he has a bright future." Question: Which of the following is TRUE? Answer:
A:
output: Mrs. Sun enjoys Zhu Zhiwen's songs.

input: OPTIONS:
- interesting
- terrible
- happy
- unhappy Now, answer this question: Read the following article and answer the question. Article: Many people have to work on the weekend. Some people do not mind. Others think it is terrible. One man thinks that working on the weekend can be dangerous. He is Graham Coates. Mr Coates works in an office in Brighton, England. On Saturday, May 24, 1986, he went to the office to do some work. When he got on the lift , it stopped between floors. Mr Coates could not get out of the lift. He started to shout, but no one heard him. Then Mr. Coats remembered that it was a holiday in England. No one was going to come to work until Tuesday. There was nothing for him to do. He had to wait until one of his workmates came to work and found him. With nothing to eat or drink, Mr Coats ended up sleeping for most of the day. Now Mr. Coates says, "I only use lifts if they have telephones in them." Question: Mr. Coates thinks working on the weekend is _ . Answer:
A:
output:
terrible