input: OPTIONS:
- a book which is well-known all over the word
- a book about Rome's history
- Stephen's talk collection with the Pope in Rome
- Stephen's talk collection with me in China Now, answer this question: Read the following article and answer the question. Article: Stephen Hawking was one of the most famous scientists in this century. He was born in 1942. He's a world well-known on space and time. Stephen is researching some very big questions, such as: How did the universe begin? How will it end? Stephen was a student at Oxford University. He studied math and science. Then, at the age of twenty, he became sick. He was so young, but the doctors said to his family, "He has only two more years to live." As a matter of fact, the doctors were wrong---- he didn't die. He can't walk now but he uses a wheelchair . He can't feed himself and get in or out of bed himself. But he refused to give in to the condition. He talks with the help of a computer. After Oxford, Stephen went to Cambridge University. Three years later, in 1965, he became a doctor of philosophy . Because of his serious health problems, it was difficult for him to draw diagrams or to write. So he started to think in pictures. With this new way of thinking, he became one of the most famous scientists in the world. In 1991, he met the Pope in Rome. They talked about his ideas. Then in 1998, he wrote his first important book, A Brief History of Time. It sold more than 5.5 million copies in 33 different languages. He was once invited to China, he impressed us with his self-confidence, humorous and witty conversation. Question: A Brief History of Time is _ . Answer:
A:
output: a book which is well-known all over the word

input: OPTIONS:
- Only one piece of meat.
- Two pieces of meat.
- Several pieces of meat.
- Many pieces of meat. Now, answer this question: Read the following article and answer the question. Article: Joe Brown had a shop. He sold meat in his shop. One Thursday a woman came into his shop at five to one. "I'm sorry I'm late," she said. "I need some more meat for my dinner tonight." Joe had only one piece of meat in his shop. He took it out of the fridge and said, "This is$6.50." "That piece is too small." the woman said, "haven't you for anything bigger?" Joe went into the room behind his shop, put the piece of meat into the fridge, took it out of again and closed the door with lots of noise. Then he brought the piece of meat to the woman and said, "This piece of meat is bigger and more expensive. It's $8.75." "Good," the woman said with a smile, "give me both of them." Question: How many pieces of meat were kept in the fridge? Answer:
A:
output: Only one piece of meat.

input: OPTIONS:
- Three.
- Four.
- Five.
- Six. Now, answer this question: Read the following article and answer the question. Article: Even if you are naturally shy, these three tricks will help you to quickly build a new social circle in any new city. 1. Take pictures One of the great things about taking pictures at an event or a party is that it gives you an excuse to get in touch with the person later. Everybody loves seeing pictures of themselves, and it's very easy after taking a picture to say "If you'd like I can email it to you". This can be the seed that leads to new connections. 2. Eat alone in public You might feel self-conscious eating by yourself but it has an important benefit: you are much easier to approach when you are alone. People may be afraid of disturbing you or being rude if you talk with someone else. Bring a book or newspaper to read. Plus, having an interesting book with you will give others an excuse tostart a conversation if they've read it. 3. Join a class, sports team, or club Yoga, salsa dancing, volleyball, Toastmasters (a public speaking club), a class for work, etc. Choose a new hobby or continue an old one! These are all great places to meet new people, primarily because you will be made to see the same people over and over again in the class. You will automatically make friends with them if you have a common interest and are made to see each other again. Question: How many tricks are mentioned in the passage? Answer:
A:
output:
Three.