input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Li Shizhen was born in 1518. His father was a poor doctor. Li Shizhen often saw that people fell ill. He decided to study medicine so that he could be able to help people. Li Shizhen read many books about medicine. He found many of the old medical books to be full of mistakes. So his wish was to write a new one. He did his best to study medical science. He studied not only the herbs in his own garden, but also the wild ones. He set out many times on long journeys to collect herbs and talk with old farmers. He learned a lot from the working people. After many years of hard work and study, Li Shizhen finished his great work "Ben Cao Gang Mu" . At that time he was sixty. His book is now one of the greatest contributions of the Chinese people to the medical science of the world. Options: A a soldier B a doctor C a teacher D a peasant Answer: B a doctor Question:???
output answer: Li Shizhen's father was_.

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Hong Kong has about 40 public beaches. Some of the beaches are among the best in the world. People can go there for a swim. You can go to most of them by bus. To go to some beaches, you must take a boat. There are toilets, changing rooms and places to buy food and drink on most of the beaches. You will swim there without danger if you remember these instructions: 1. Never swim alone. 2. Never swim after a meal or when feel hungry or tired. 3. Do not stay in the water too long. 4. Never go out in a boat if you cannot swim. Remember: A red flag means that it is dangerous for anybody to go into the water. A blue flag means that it is dangerous for children. Options: A the public beaches and swimming B the danger of swimming C the best beaches D the difficulties to go swimming Answer: A the public beaches and swimming Question:???
output answer: The passage mainly tells us _ in Hong Kong.

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mr. White was over 80 years old, but he looked younger than his age. He played Tai Chi in the park every day, so he was very healthy. It was 11:30. It was time for him to walk home. He usually got home thirty minutes later. One day, Mr. White didn't get home until 12:30. His family worried about him. After a short while, a police car stopped in front of their house. What happened? "The old man was lost and he called us for help," the policeman said. When the policeman left, Mr. White's daughter asked her father, "Dad, you go to the park every day. How can you be lost?" "I'm not lost at all. I'm just tired. I don't want to go home on foot," answered Mr. White with a smile. Options: A walk B play Tai Chi C run D call the police Answer: B play Tai Chi Question:???
output answer: Mr. White went to the park to _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: My friend has a big police dog named Kim. Police dogs are often very smart. Every Sunday afternoon my friend takes Kim for a long walk in the park. Kim likes walking very much. One Sunday afternoon a man visited my friend. He talked to my friend a long time. They talked and talked. Soon it was time for my friend to take Kim for his walk, but the man still stayed. Kim became very worried about his walk in the park. He walked around the living-room sometimes and at last sat down in front of the man and looked at him. But the man went on talking. After thirty minutes, Kim couldn't stand it. He went out of the room and came back a few minutes later. He sat down in front of the man again but this time he held the man's hat in his mouth. Options: A On Mondays B On Saturdays C On weekends D Every Sunday afternoon Answer: D Every Sunday afternoon Question:???
output answer:
When do they go for a walk?