Article: A doctor was once teaching a class of medical students at a famous hospital in Edinburgh. An injured man was brought in, and the doctor turned to one of his students and asked him, "What's wrong with this man?" "I don't know, sir," the student answered. "Shall I examine him and find out?""There's no need to examine him," said the doctor. "You should know without asking questions. He has hurt his right knee. Didn't you notice the way he walked? He hurt it by burning it in the fire. You see his trouser leg is burnt away at the knee. This is Monday morning. Yesterday was fine, but on Saturday the roads were wet and muddy. The man's trousers are muddy all over. The man fell down on Saturday night." The doctor then turned to the man and said, "You had your pay on Saturday and went to a public house and drank too much. You got muddy and wet on the way home. Because you had drunk too much, you fell on the fire and burnt your knee. Is it right? " "Yes, sir," said the man. Question: The medical students were having a lesson _ . Yes or no, is the answer "at a well-known hospital"?
No

Article: Being outgoing is good for your life. Those who are more outgoing like to meet lots of people and have more fun in life. In fact, being outgoing is not as hard as you think. Even shy people can be outgoing. You can start becoming outgoing with your best friend or a group of friends. But the real challenge comes when you meet strange people or new friends. Smile more, and usually they will return your smile. In this way, you may have some talks. Start a talk. Just a smile "Hello" or "How is it going" is a good start. If you want to make interesting talks, you should read news in newspapers and prepare your views, or surf the Internet for new information and then keep that in mind. The easier way to become more outgoing is to go out. This is also the most important step . Go to a park, beach, club, party or any other place that you think can be fun, and you may make new friends there. Question: You should start to be outgoing with _ . Yes or no, is the answer "your best friend"?
No

Article: When you hear Westerners say " Drop in anytime" or "Come and see me soon" , you should realize that it doesn't mean you are welcome to come over to their house anytime. It's wise to telephone before visiting someone. Never accept an invitation unless you really plan to go. You may refuse by saying, "Thank you for inviting me, but I may not be able to come." If you are unable to come after accepting the invitation, be sure to tell those who invite you in advance that you will not be there. When you have accepted the invitation to a party or a dinner, it is polite to bring small gifts with you, such as bottles of drink, flowers and chocolate. Sometimes Westerners may take you out to dinner in a restaurant and it does not necessarily mean that he is going to pay the bill at the end of the meal. He might want you to " _ ", which means each person pays his own bill. Question: If a westerner invites you to go to his house, _ Yes or no, is the answer "you may refuse if you don't plan to go."?
No